{"title":"Ring","description":"\u003cp\u003eRing\u003c\/p\u003e","products":[{"product_id":"flower-fossil-r","title":"Flower Fossil Ring","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Core Collection -\u003c\/p\u003e\n\u003cp\u003eFlower Fossil Ring\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA fossil-like ring that retains the shape of a flower.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003eBlack spinel\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Sizes Available 】\u003c\/p\u003e\n\u003cp\u003eJP Size 7, 9, 11, 13, 15, 17, 19, 21\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"サイズガイド\" href=\"https:\/\/spinos.jp\/pages\/size-guide\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop part approx. 12.4mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 2.1mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.5-5.3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 3.9g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Product Number】\u003c\/p\u003e\n\u003cp\u003eSP004\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfume can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eA strong polishing cloth may alter the matte finish. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eFor returns and exchanges, please refer to our \u003ca rel=\"noopener\" href=\"https:\/\/spinos.jp\/policies\/refund-policy\" target=\"_blank\"\u003e［Refund Policy］\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"7号","offer_id":46448090415340,"sku":"SP004-07","price":18150.0,"currency_code":"JPY","in_stock":false},{"title":"9号","offer_id":46448090448108,"sku":"SP004-09","price":18150.0,"currency_code":"JPY","in_stock":false},{"title":"11号","offer_id":46448090480876,"sku":"SP004-11","price":18150.0,"currency_code":"JPY","in_stock":false},{"title":"13号","offer_id":46448090513644,"sku":"SP004-13","price":18150.0,"currency_code":"JPY","in_stock":false},{"title":"15号","offer_id":46448090546412,"sku":"SP004-15","price":18150.0,"currency_code":"JPY","in_stock":false},{"title":"17号","offer_id":46448090579180,"sku":"SP004-17","price":18150.0,"currency_code":"JPY","in_stock":false},{"title":"19号","offer_id":46448090611948,"sku":"SP004-19","price":18150.0,"currency_code":"JPY","in_stock":false},{"title":"21号","offer_id":46448090644716,"sku":"SP004-21","price":18150.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/SP005-1_d1d43120-8591-426f-b50e-56683cc9247a.jpg?v=1763969307"},{"product_id":"fern-リング","title":"Fern Ring","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Core Collection -\u003c\/p\u003e\n\u003cp\u003eFern Ring\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA continuous form that traces the moment a fern frond unfurls.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e[Material]\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e[Ring Size Range]\u003c\/p\u003e\n\u003cp\u003eJP Size 7, 9, 11, 13, 15, 17, 19, 21\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Please note that this product cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e[Dimensions]\u003c\/p\u003e\n\u003cp\u003eWidth: Approx. 9.5mm\u003c\/p\u003e\n\u003cp\u003eThickness: Approx. 1.7mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e[Weight]\u003c\/p\u003e\n\u003cp\u003eApprox. 4.8g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e[Product No.]\u003c\/p\u003e\n\u003cp\u003eSP001\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e[Shipping]\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e[Care]\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfume can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"7号","offer_id":46898897977580,"sku":"SP001-07","price":19580.0,"currency_code":"JPY","in_stock":false},{"title":"9号","offer_id":46898898010348,"sku":"SP001-09","price":19580.0,"currency_code":"JPY","in_stock":false},{"title":"11号","offer_id":46898898043116,"sku":"SP001-11","price":19580.0,"currency_code":"JPY","in_stock":false},{"title":"13号","offer_id":46898898075884,"sku":"SP001-13","price":19580.0,"currency_code":"JPY","in_stock":false},{"title":"15号","offer_id":46898898108652,"sku":"SP001-15","price":19580.0,"currency_code":"JPY","in_stock":false},{"title":"17号","offer_id":46898898141420,"sku":"SP001-17","price":19580.0,"currency_code":"JPY","in_stock":false},{"title":"19号","offer_id":46898898174188,"sku":"SP001-19","price":19580.0,"currency_code":"JPY","in_stock":false},{"title":"21号","offer_id":46898898206956,"sku":"SP001-21","price":19580.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/SP001-1-2.jpg?v=1763968256"},{"product_id":"arc-リング","title":"Arc ring","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Core Collection -\u003c\/p\u003e\n\u003cp\u003eArc Ring\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eDynamic lines modeled after dinosaur claws.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Material】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Ring Sizes】\u003c\/p\u003e\n\u003cp\u003eJP Size 7, 9, 11, 13, 15, 17, 19, 21\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Dimensions】\u003c\/p\u003e\n\u003cp\u003eWidth approx. 5.7mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.4-3.5mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 3.8g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Product Number】\u003c\/p\u003e\n\u003cp\u003eSP002\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Care】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfumes can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eStrong abrasive cloths may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e［Refund Policy］\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"7号","offer_id":46898930319596,"sku":"SP002-07","price":16280.0,"currency_code":"JPY","in_stock":false},{"title":"9号","offer_id":46898930352364,"sku":"SP002-09","price":16280.0,"currency_code":"JPY","in_stock":false},{"title":"11号","offer_id":46898930385132,"sku":"SP002-11","price":16280.0,"currency_code":"JPY","in_stock":false},{"title":"13号","offer_id":46898930417900,"sku":"SP002-13","price":16280.0,"currency_code":"JPY","in_stock":false},{"title":"15号","offer_id":46898930450668,"sku":"SP002-15","price":16280.0,"currency_code":"JPY","in_stock":false},{"title":"17号","offer_id":46898930483436,"sku":"SP002-17","price":16280.0,"currency_code":"JPY","in_stock":false},{"title":"19号","offer_id":46898930516204,"sku":"SP002-19","price":16280.0,"currency_code":"JPY","in_stock":false},{"title":"21号","offer_id":46898930548972,"sku":"SP002-21","price":16280.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/SP002-1.jpg?v=1763950605"},{"product_id":"hollow-リング","title":"Hollow Ring","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Core Collection -\u003c\/p\u003e\n\u003cp\u003eHollow Ring\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA sculptural form inspired by dinosaur skulls.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Material】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Ring Sizes Available】\u003c\/p\u003e\n\u003cp\u003eJP Size 7, 9, 11, 13, 15, 17, 19, 21\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Size】\u003c\/p\u003e\n\u003cp\u003eWidth approx. 11.9mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.4-2.4mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 4.4g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Product Number】\u003c\/p\u003e\n\u003cp\u003eSP003\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Care】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfumes can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eStrong polishing cloths may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e［Refund Policy］\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"7号","offer_id":46898936873196,"sku":"SP003-07","price":19470.0,"currency_code":"JPY","in_stock":false},{"title":"9号","offer_id":46898936905964,"sku":"SP003-09","price":19470.0,"currency_code":"JPY","in_stock":false},{"title":"11号","offer_id":46898936938732,"sku":"SP003-11","price":19470.0,"currency_code":"JPY","in_stock":false},{"title":"13号","offer_id":46898936971500,"sku":"SP003-13","price":19470.0,"currency_code":"JPY","in_stock":false},{"title":"15号","offer_id":46898937004268,"sku":"SP003-15","price":19470.0,"currency_code":"JPY","in_stock":false},{"title":"17号","offer_id":46898937037036,"sku":"SP003-17","price":19470.0,"currency_code":"JPY","in_stock":false},{"title":"19号","offer_id":46898937069804,"sku":"SP003-19","price":19470.0,"currency_code":"JPY","in_stock":false},{"title":"21号","offer_id":46898937102572,"sku":"SP003-21","price":19470.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/SP003-9.jpg?v=1763967841"},{"product_id":"specimen-0001-アンモナイト-シグネットリング","title":"No.0003 Ammonite Signet Ring #9","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0003\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral, at your fingertips.\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eA one-of-a-kind ring made from a cross-section of ammonite excavated in Madagascar during the Cretaceous period (about 100 million years ago).\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eThe internal chambers and suture lines remain beautifully intact, and the overlapping mineralized layers create a profound appearance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eA signet-shaped form is accented with a quiet luster from the SV925 matte finish.\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003eThe lines and layers carved into the surface, the glimmer of crystals—we hope you observe them as a single landscape.\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u003ca rel=\"noopener\" href=\"\/en\/pages\/specimen-ammonite\" target=\"_blank\"\u003e▶ About Ammonites\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (about 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※Fossils are natural objects and may contain minute cracks and color variations. These are characteristics inherent to the individual piece and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e※For this piece, the fossil is thinly sliced. To maintain strength, a resin coating has been applied to the back. (This does not affect the appearance.)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP size 9\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※This item's design does not allow for resizing. Please be aware of this beforehand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 16x20mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.5-3.5mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 11g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfume can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eStrong polishing cloths may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e［Refund Policy］\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":46903781687532,"sku":"0003","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/0003ASGsize9-1.jpg?v=1763567460"},{"product_id":"no-0004-アンモナイト-シグネットリング-11","title":"No. 0004 Ammonite Signet Ring #11","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0004\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eA one-of-a-kind ring featuring a cross-section of an ammonite excavated in Madagascar from the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a profound texture.\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eThe signet-style form is given a subtle shine with an SV925 matte finish.\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003eI hope you will observe the lines, layers, and crystalline gleam carved into the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u003ca rel=\"noopener\" href=\"\/en\/pages\/specimen-ammonite\" target=\"_blank\"\u003e▶ What is an Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Fossil 】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approximately 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※Fossils are natural objects and may contain microscopic cracks and color variations. These are inherent characteristics of the individual piece and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e※For this piece, the fossil is thinly sliced, and to maintain its strength, the back is coated with resin (this does not affect the appearance).\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP size 11\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 17x21mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.5-3.5mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Weight 】\u003c\/p\u003e\n\u003cp\u003eApprox. 11g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfume can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eStrong abrasive cloths may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eFor returns and exchanges, please refer to our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47015729889516,"sku":"0004","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/0004ASGsize11-1.jpg?v=1763567515"},{"product_id":"no-0005-アンモナイト-シグネットリング-13","title":"No.0005 Ammonite Signet Ring #13","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0005\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eA one-of-a-kind ring featuring a cross-section of an ammonite excavated in Madagascar from the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eThe internal chambers and suture lines are beautifully preserved, with overlapping mineralized layers creating a profound expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eThe signet-style form is given a quiet luster with a matte SV925 finish.\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003eI hope you observe the lines, layers, and crystalline glimmer etched on its surface as a single landscape.\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u003ca rel=\"noopener\" href=\"\/en\/pages\/specimen-ammonite\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological Age: Cretaceous Period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※Fossils are natural products and may contain minute cracks and color differences. These are individual characteristics and not quality defects.\u003c\/p\u003e\n\u003cp\u003e※For this product, since the fossil is thinly sliced, the back is resin-coated to maintain strength. (This does not affect the appearance.)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 13\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this product's design does not allow for size adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 17.5x22mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.5-3.5mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 11g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfume can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eStrongly abrasive cloths may alter the matte texture. Gentle wiping only is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e［Refund Policy］\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47015731921132,"sku":"0005","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/0005ASGsize13-1.jpg?v=1763567559"},{"product_id":"no-0006-アンモナイト-シグネットリング-15","title":"No. 0006 Ammonite Signet Ring #15","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0006\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eA one-of-a-kind ring made with a slice of ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eThe internal septa and suture lines remain beautifully preserved, and the layers of mineralization create a rich texture.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-end=\"350\" data-start=\"216\"\u003eThe signet-style form is given a subtle shine with an SV925 matte finish.\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003eThe lines and layers etched on the surface, the glimmer of crystals—we hope you observe them as a single landscape.\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u003ca rel=\"noopener\" href=\"\/en\/pages\/specimen-ammonite\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e*As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of each individual and are not considered defects in quality.\u003c\/p\u003e\n\u003cp\u003e*Since the fossil in this product is thinly sliced, a resin coating is applied to the back to maintain its strength. (This does not affect the appearance.)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP size 15\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*This product has a design that cannot be resized. Please be aware of this in advance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 18.5x23.5mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.5-3.5mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 13g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfume can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eHighly abrasive polishing cloths may alter the matte finish. Gentle wiping only is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47015734345964,"sku":"0006","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/0006ASGsize15-1.jpg?v=1763567600"},{"product_id":"no-0007-アンモナイト-シグネットリング-17","title":"No.0007 Ammonite Signet Ring #17","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0007\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis one-of-a-kind ring features a slice of ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, profound texture.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle sheen with an SV925 matte finish.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eWe hope you observe the lines, layers, and crystalline glints etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ About Ammonites\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approximately 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※ Fossils are natural objects and may contain minute cracks and color variations. These are characteristics unique to each individual and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e※ For this product, the fossil is thinly sliced, and a resin coating is applied to the back surface to maintain strength. (This does not affect the appearance.)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 17\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※ Please note that this item's design does not allow for size adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop: Approx. 19x23.5mm\u003c\/p\u003e\n\u003cp\u003eBand width: Approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness: Approx. 2-3.5mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 13g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfumes can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eStrong polishing cloths may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47015736312044,"sku":"0007","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/0007ASGsize17-1.jpg?v=1763567714"},{"product_id":"no-0011-アンモナイト-シグネットリング-11","title":"No. 0011 Ammonite Signet Ring #11","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0011\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis one-of-a-kind ring features a slice of ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, profound texture.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eIts signet-ring form is finished with matte SV925, adding a subtle glow.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eWe invite you to observe the lines, layers, and crystalline glimmers etched on its surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Fossil 】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may include minute cracks and color variations. These are unique characteristics of each specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 11\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this product's design does not allow for resizing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 17x21mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.7-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Weight 】\u003c\/p\u003e\n\u003cp\u003eApprox. 12g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eStrong abrasive cloths may alter the matte finish. Gentle wiping only is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may break due to impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eExposure to water or detergents may weaken the adhesive and cause the stone to come off, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47103054938348,"sku":"0011","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/251217123854607_cff59687-80f2-4169-b3b7-ffab33286d11.jpg?v=1765956658"},{"product_id":"no-0012-アンモナイト-シグネットリング-13","title":"No.0012 Ammonite Signet Ring #13","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0012\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis one-of-a-kind ring features a slice of ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines remain beautifully preserved, and the layers of mineralization create a rich, profound texture.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle sheen with a matte SV925 finish.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glints etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ About Ammonite\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Fossil 】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain microscopic cracks and color variations. These are unique characteristics of individual pieces and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 13\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※This item cannot be resized due to its design. Thank you for your understanding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Size 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 17x20.5mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.7-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Weight 】\u003c\/p\u003e\n\u003cp\u003eApprox. 13.9g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eHighly abrasive polishing cloths may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may break due to impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eAdhesion may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in the bath or pool.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47117805256940,"sku":"0012","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/251217124144553_e0296f72-0538-45e2-94d8-2116e39d60fb.jpg?v=1765956803"},{"product_id":"no-0013-アンモナイト-シグネットリング-1","title":"No.0013 Ammonite Signet Ring #15","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0013\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis one-of-a-kind ring features a slice of ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines remain beautifully preserved, and the layers of mineralization create a profound aesthetic.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is complemented by the subtle glow of the matte-finished SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and glimmers of crystals etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Fossil 】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain microscopic cracks and color variations. These are individual characteristics and not defects.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP size 15\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※This product's design does not allow for resizing. Please be aware of this in advance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 17.5x22.5mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.7-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Weight 】\u003c\/p\u003e\n\u003cp\u003eApprox. 16.5g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care Instructions 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eContact with moisture or detergents may weaken the adhesive and cause the stone to detach, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e［Refund Policy］\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47117807190252,"sku":"0013","price":56870.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/251217124241248_26f720f3-8436-4145-bbfb-136116ac4a7c.jpg?v=1765956874"},{"product_id":"no-0014-アンモナイト-シグネットリング-17","title":"No. 0014 Ammonite Signet Ring #17","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0014\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral, at your fingertip.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis one-of-a-kind ring features a slice of ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines remain beautifully preserved, and the layers of mineralization create a profound appearance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle gleam with a matte SV925 finish.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eThe lines, layers, and crystalline glimmers etched on the surface—we hope you'll observe them as a unified landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ About Ammonites\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Fossil 】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological Age: Cretaceous Period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※ As fossils are natural objects, they may contain minute cracks and color variations. These are characteristics inherent to the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 17\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※ Please note that this item's design does not allow for size adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 18x22.5mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Weight 】\u003c\/p\u003e\n\u003cp\u003eApprox. 15.3g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte finish. Gentle wiping only is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may break due to impact or rapid temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eExposure to water or detergents may weaken the adhesive and cause the stone to detach, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e［Refund Policy］\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47117810696428,"sku":"0014","price":56870.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/251217124346118_516ee4d5-4311-4978-b973-efdd3f85d5c5.jpg?v=1765956951"},{"product_id":"no-0015-アンモナイト-シグネットリング-19","title":"No.0015 Ammonite Signet Ring #19","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0015\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis is a one-of-a-kind ring made from a cross-section of an ammonite fossil excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle shine with a matte finish in SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 19\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 18x23mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 15.5g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47117813317868,"sku":"0015","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/251217141751369_3f7271dd-3a6b-4249-a8c3-1375ee978ddf.jpg?v=1765957019"},{"product_id":"no-0019-アンモナイト-リング-11","title":"No.0019 Ammonite Ring #11","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0019\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis one-of-a-kind ring features a slice of ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a profound appearance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe band is designed with a sleeker form than a signet ring.\u003cbr\u003eThe subtle shine of the matte finished SV925 gently enhances the ammonite's expression.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eWe invite you to observe the lines, layers, and crystalline glimmers etched on its surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ About Ammonites\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e*As fossils are natural objects, they may contain microscopic cracks and color variations. These are characteristics unique to each individual and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 11\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Please note that this product's design does not allow for resizing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Size 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 18x21mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 2.7mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 2-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 9g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eContact with water or detergents may weaken the adhesive and cause the stone to detach, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47160044552428,"sku":"0019","price":41910.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260103080520208.jpg?v=1767428881"},{"product_id":"no-0020-アンモナイト-リング-13","title":"No.0020 Ammonite Ring #13","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0020\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis one-of-a-kind ring features a slice of ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe band is designed with a sleeker form than a signet ring. The subtle luster of the matte-finished SV925 gently enhances the ammonite's character.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eWe invite you to observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain minute cracks and variations in color. These are unique characteristics of each individual piece and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 13\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this product cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 18x22mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 2.7mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 2-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 9g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, wipe gently with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eExposure to moisture or detergents may weaken the adhesive and cause the stone to detach, so please refrain from wearing it in baths, pools, etc.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47160052252908,"sku":"0020","price":41910.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260103081123651_11d02cc4-e02d-4bc2-b4d5-a2abd3fd58ae.jpg?v=1767428934"},{"product_id":"no-0025-アンモナイト-リング-small-9","title":"No.0025 Ammonite Ring - Small #9","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0025\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eThe 100-million-year-old spiral, made lighter.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eA one-of-a-kind ring made from a slice of ammonite excavated in Madagascar from the Cretaceous period (approximately 100 million years ago).\u003cbr\u003eIt has been made smaller to create a balance that blends more with everyday life.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines remain beautifully intact, and the layers of mineralization create a profound expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe band and bezel are rounded, designed for a light feel and a gentle impression.\u003cbr\u003eThe quiet shine of the matte SV925 finish gently enhances the ammonite's expression.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eThe lines, layers, and glimmers of crystals etched on its surface—we hope you observe them as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological Age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain microscopic cracks and variations in color. These are individual characteristics and not defects in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 9\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this product's design does not allow for size adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 10x12mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 2.3mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 2-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 4.3g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eStrong polishing cloths may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eExposure to moisture or detergents may weaken the adhesive and cause the stone to detach, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47313995727084,"sku":"0025","price":29600.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/0025-1.jpg?v=1771397891"},{"product_id":"no-0027-アンモナイト-リング-small-13","title":"No.0027 Ammonite Ring - Small #13","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0027\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eLightening the spiral from 100 million years ago.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eA one-of-a-kind ring featuring a cross-section of an ammonite excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003cbr\u003eIt has been miniaturized and balanced to be more suitable for everyday wear.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines remain beautifully intact, and the overlapping mineralized layers create a profound appearance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe band and bezel are rounded, designed for a light feel and gentle impression.\u003cbr\u003eThe quiet luster of the SV925 matte finish subtly enhances the ammonite's expression.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eThe lines, layers, and crystalline shimmer etched on the surface—we hope you observe them as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ About Ammonites\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e*As fossils are natural, they may contain minute cracks and color variations. These are characteristics unique to the individual piece and do not constitute a quality defect.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP size 13\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Please note that this product cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop: Approx. 10x12mm\u003c\/p\u003e\n\u003cp\u003eBand width: Approx. 2.3mm\u003c\/p\u003e\n\u003cp\u003eThickness: Approx. 2-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 4.3g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eContact with water or detergents may weaken the adhesive and cause the stone to detach, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47314000412908,"sku":"0027","price":29600.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/0027-1.jpg?v=1771397931"},{"product_id":"no-0033-insect-in-amber-ring-13","title":"No.0033 Insect in Amber Ring #13","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0033\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eResin from 30 million years ago, at your fingertips.\u003c\/p\u003e\n\u003cp\u003eDuring the Paleogene period, resin flowed from trees along the Baltic coast and gradually transformed into amber over time.\u003c\/p\u003e\n\u003cp\u003eWithin it, tiny air bubbles, particles, and traces of a small life remain preserved from that era.\u003c\/p\u003e\n\u003cp\u003eThe natural, irregular form of the amber is left intact and set within a simple silver structure.\u003c\/p\u003e\n\u003cp\u003eA piece with the presence of a specimen.\u003cbr\u003eDesigned to be worn naturally in everyday life.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-end=\"376\" data-start=\"352\"\u003e\u003ca href=\"\/en\/pages\/specimen-amber\" target=\"_blank\"\u003e▶ What is Amber?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eInsect in Amber (Baltic region)\u003cbr\u003eGeological period: Paleogene (approx. 30 million years ago)\u003c\/p\u003e\n\u003cp\u003eAs this is a natural material, small cracks, air bubbles, and inclusions may be present.\u003cbr\u003eThese are natural characteristics and not defects.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 13\u003c\/p\u003e\n\u003cp\u003eThis design cannot be resized.\u003c\/p\u003e\n\u003cp\u003eView \u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" rel=\"noopener\" target=\"_blank\"\u003eSize Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop: approx. 13 × 12 mm\u003cbr\u003eHeight: approx. 8 mm\u003c\/p\u003e\n\u003cp\u003eBand width: approx. 2.5 mm\u003cbr\u003eThickness: approx. 2.2 mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 5.2g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eFree shipping within Japan.\u003cbr\u003eShips within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eWater, sweat, cosmetics, and perfume can cause discoloration.\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003eAmber is a soft and delicate material, so avoid contact with high temperatures and solvents (such as alcohol).\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eFor returns and exchanges, please refer to our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e［Refund Policy］\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47455259295980,"sku":"0033","price":39820.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/0033-01_67f40a33-5f3b-446f-8eb3-e866d0e68983.jpg?v=1774851057"},{"product_id":"no-0034-ammonite-signet-ring-7","title":"No.0034 Ammonite Signet Ring #7","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0034\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis is a one-of-a-kind ring made from a cross-section of an ammonite fossil excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle shine with a matte finish in SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 7\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 14x17mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 9.8g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47455351668972,"sku":"0034","price":56870.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260413102953659.jpg?v=1776059609"},{"product_id":"no-0035-ammonite-signet-ring-9","title":"No.0035 Ammonite Signet Ring #9","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0035\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis is a one-of-a-kind ring made from a cross-section of an ammonite fossil excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle shine with a matte finish in SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 9\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 14x18mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 11.1g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47455365267692,"sku":"0035","price":56800.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260413103213530.jpg?v=1776059799"},{"product_id":"no-0036-ammonite-signet-ring-10","title":"No.0036 Ammonite Signet Ring #10","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0036\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis is a one-of-a-kind ring made from a cross-section of an ammonite fossil excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle shine with a matte finish in SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 10\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 15x18mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 12.1g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47455378276588,"sku":"0036","price":56870.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260413103327057.jpg?v=1776059913"},{"product_id":"no-0037-ammonite-signet-ring-11","title":"No.0037 Ammonite Signet Ring #11","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0037\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis is a one-of-a-kind ring made from a cross-section of an ammonite fossil excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle shine with a matte finish in SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 11\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 15x19mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 11.7g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47455378440428,"sku":"0037","price":56870.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260413103412050.jpg?v=1776059990"},{"product_id":"no-0038-ammonite-signet-ring-13","title":"No.0038 Ammonite Signet Ring #13","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0038\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis is a one-of-a-kind ring made from a cross-section of an ammonite fossil excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle shine with a matte finish in SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 13\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 15x19mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 13.8g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47455379325164,"sku":"0038","price":56870.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260413103500453.jpg?v=1776060074"},{"product_id":"no-0039-ammonite-signet-ring-19","title":"No.0039 Ammonite Signet Ring #19","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0039\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis is a one-of-a-kind ring made from a cross-section of an ammonite fossil excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle shine with a matte finish in SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 19\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 18x22mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 16.4g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47455379456236,"sku":"0039","price":56870.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260413103554741.jpg?v=1776060151"},{"product_id":"no-0040-ammonite-signet-ring-21","title":"No.0040 Ammonite Signet Ring #21","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0040\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral at your fingertips.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThis is a one-of-a-kind ring made from a cross-section of an ammonite fossil excavated in Madagascar, dating back to the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe internal chambers and suture lines are beautifully preserved, and the layers of mineralization create a rich, deep expression.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"350\"\u003eThe signet-style form is given a subtle shine with a matte finish in SV925.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003eI hope you will observe the lines, layers, and crystalline glimmers etched on the surface as a single landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 21\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 18x22mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 1.8-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 17.4g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47455379816684,"sku":"0040","price":56870.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260413103641136.jpg?v=1776060221"},{"product_id":"no-0058-アンモナイト-リング-small-10","title":"No.0058 Ammonite Ring - Small #10","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0058\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral, made lighter.\u003c\/p\u003e\n\u003cp\u003eA one-of-a-kind ring crafted from a section of an ammonite excavated in Madagascar during the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp\u003eIts small size and balanced design make it more suitable for everyday wear.\u003c\/p\u003e\n\u003cp\u003eThe internal shell chambers and sutures remain beautifully preserved, and the overlapping mineralized layers reveal a deep, rich texture.\u003c\/p\u003e\n\u003cp\u003eThe band and setting are rounded for a light, comfortable feel and a gentle impression.\u003c\/p\u003e\n\u003cp\u003eThe quiet shine of the SV925 matte finish gently enhances the ammonite's appearance.\u003c\/p\u003e\n\u003cp\u003eWe invite you to observe the lines, layers, and crystalline sparkles etched on the surface—as a single, unified landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ About Ammonites\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e*As fossils are natural, they may contain minute cracks and color variations. These are characteristics unique to the individual piece and do not constitute a quality defect.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP size 10\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Please note that this product cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop: Approx. 13x11mm\u003c\/p\u003e\n\u003cp\u003eBand width: Approx. 2.5mm\u003c\/p\u003e\n\u003cp\u003eThickness: Approx. 2-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 4.6g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eContact with water or detergents may weaken the adhesive and cause the stone to detach, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47659032609004,"sku":"0058","price":29590.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260522125304061.jpg?v=1779549973"},{"product_id":"no-0060-アンモナイト-リング-small-11","title":"No.0060 Ammonite Ring - Small #11","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0060\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral, made lighter.\u003c\/p\u003e\n\u003cp\u003eA one-of-a-kind ring crafted from a section of an ammonite excavated in Madagascar during the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp\u003eIts small size and balanced design make it more suitable for everyday wear.\u003c\/p\u003e\n\u003cp\u003eThe internal shell chambers and sutures remain beautifully preserved, and the overlapping mineralized layers reveal a deep, rich texture.\u003c\/p\u003e\n\u003cp\u003eThe band and setting are rounded for a light, comfortable feel and a gentle impression.\u003c\/p\u003e\n\u003cp\u003eThe quiet shine of the SV925 matte finish gently enhances the ammonite's appearance.\u003c\/p\u003e\n\u003cp\u003eWe invite you to observe the lines, layers, and crystalline sparkles etched on the surface—as a single, unified landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ About Ammonites\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eAmmonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e*As fossils are natural, they may contain minute cracks and color variations. These are characteristics unique to the individual piece and do not constitute a quality defect.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP size 11\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Please note that this product cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop: Approx. 13x11mm\u003c\/p\u003e\n\u003cp\u003eBand width: Approx. 2.5mm\u003c\/p\u003e\n\u003cp\u003eThickness: Approx. 2-3mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 5.3g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte finish. Only gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eContact with water or detergents may weaken the adhesive and cause the stone to detach, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation regarding returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47659037622508,"sku":"0060","price":29590.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260522125339756.jpg?v=1779550020"},{"product_id":"no-0061-ブラックアンモナイト-シグネットリング-11","title":"No.0061 Black Ammonite Signet Ring #11","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0061\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral on your fingertip.\u003c\/p\u003e\n\u003cp\u003eA one-of-a-kind ring crafted from a section of a black ammonite excavated in Madagascar during the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp\u003eThe ammonite fossilized over a long period of time, replaced by iron-containing minerals, resulting in its deep black color.\u003c\/p\u003e\n\u003cp\u003eThe internal shell chambers and suture lines remain, revealing subtle variations in light and layering within the black.\u003c\/p\u003e\n\u003cp\u003eThe signet-style form, combined with the gentle texture of SV925 matte finish, creates a presence that embodies both weight and tranquility.\u003c\/p\u003e\n\u003cp\u003eWe hope you will observe this ancient, blackened, mineralized trace as a unique landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eBlack Ammonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 11\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 17x21mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 2-4mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 15.8g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47659050270956,"sku":"0061","price":58410.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260522124919521_a59a83f0-f1d8-4569-b9b8-75428f76e9d6.jpg?v=1779551000"},{"product_id":"no-0062-ブラックアンモナイト-シグネットリング-17","title":"No.0062 Black Ammonite Signet Ring #17","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e- Specimen Collection -\u003c\/p\u003e\n\u003cp\u003eNo.0062\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eA 100-million-year-old spiral on your fingertip.\u003c\/p\u003e\n\u003cp\u003eA one-of-a-kind ring crafted from a section of a black ammonite excavated in Madagascar during the Cretaceous period (approximately 100 million years ago).\u003c\/p\u003e\n\u003cp\u003eThe ammonite fossilized over a long period of time, replaced by iron-containing minerals, resulting in its deep black color.\u003c\/p\u003e\n\u003cp\u003eThe internal shell chambers and suture lines remain, revealing subtle variations in light and layering within the black.\u003c\/p\u003e\n\u003cp\u003eThe signet-style form, combined with the gentle texture of SV925 matte finish, creates a presence that embodies both weight and tranquility.\u003c\/p\u003e\n\u003cp\u003eWe hope you will observe this ancient, blackened, mineralized trace as a unique landscape.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"376\"\u003e\u003ca href=\"\/en\/pages\/specimen-ammonite\" rel=\"noopener\" target=\"_blank\"\u003e▶ What is Ammonite?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Materials 】\u003c\/p\u003e\n\u003cp\u003eSILVER925 (Matte finish)\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Fossil】\u003c\/p\u003e\n\u003cp\u003eBlack Ammonite (from Madagascar)\u003cbr\u003eGeological age: Cretaceous period (approx. 100 million years ago)\u003c\/p\u003e\n\u003cp\u003e※As fossils are natural objects, they may contain fine cracks and variations in color. These are unique characteristics of the individual specimen and do not indicate a defect in quality.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Ring Size 】\u003c\/p\u003e\n\u003cp\u003eJP Size 17\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e※Please note that this item cannot be resized.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/spinos.jp\/pages\/size-guide\" title=\"サイズガイド\" rel=\"noopener\" target=\"_blank\"\u003eView Size Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Dimensions 】\u003c\/p\u003e\n\u003cp\u003eTop approx. 18x22mm\u003c\/p\u003e\n\u003cp\u003eBand width approx. 4mm\u003c\/p\u003e\n\u003cp\u003eThickness approx. 2-4mm\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Weight】\u003c\/p\u003e\n\u003cp\u003eApprox. 17.7g\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【Shipping】\u003c\/p\u003e\n\u003cp\u003eWe offer free shipping nationwide. \u0026nbsp;\u003cbr\u003eOrders are shipped within 3 business days.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e【 Care 】\u003c\/p\u003e\n\u003cp\u003eAfter use, gently wipe with a soft cloth and store away from direct sunlight and high temperatures.\u003c\/p\u003e\n\u003cp\u003ePolishing cloths with strong abrasive properties may alter the matte texture. Gentle wiping is recommended.\u003c\/p\u003e\n\u003cp\u003eThe fossil part may be damaged by impact or sudden temperature changes. Please handle with care.\u003c\/p\u003e\n\u003cp\u003eThe adhesive may weaken and the stone may come off if exposed to water or detergents, so please refrain from wearing it in baths or pools.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIf you have any concerns, please feel free to contact us before purchasing.\u003cbr\u003eInformation on returns and exchanges can be found in our \u003ca href=\"https:\/\/spinos.jp\/policies\/refund-policy\" rel=\"noopener\" target=\"_blank\"\u003e[Refund Policy]\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e","brand":"Spinos","offers":[{"title":"Default Title","offer_id":47659058036972,"sku":"0062","price":58410.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/files\/260522125130080_d61861be-873d-4897-976a-56d0082c1714.jpg?v=1779550952"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9095\/8572\/collections\/S0001-front_c392e057-1749-497a-a816-d4a0958f391a.jpg?v=1745418321","url":"https:\/\/spinos.jp\/en\/collections\/frontpage.oembed?page=2","provider":"Spinos","version":"1.0","type":"link"}