{"product_id":"2-25ct-vivid-blue-cobalt-spinel-gem-rare-untreated-faceted-stone","title":"2.25ct Vivid Blue Cobalt Spinel Gem: Rare Untreated Faceted Stone","description":"2.25ct Natural Cobalt Spinel – Vivid Blue Untreated Rare Gemstone | Loose Faceted Spinel \n\n⸻\n\n2. Description\n\nMineral:\nSpinel – Cobalt-bearing variety\n\nDescription:\nThis 2.25 carat cobalt spinel features an exceptional vivid blue color—naturally caused by the presence of cobalt, not by treatment. Its intense saturation, excellent clarity, and precise faceting give it a bold yet refined brilliance. At 4.3x2.9x2.4mm, it is a compact but weighty stone, perfect for high-end rings or investment collections. True cobalt spinels are incredibly rare and highly sought-after, making this gem an ideal addition to any serious collector’s vault or custom luxury design.\n\nWeight and Dimensions:\n\t•\tWeight: 2.25 carats | 0.45 grams | \n                 Dimensions 9x7x5.5mm\nLocality:\n(Sri Lanka, .)\n\n\n\ncobalt spinel,\nblue spinel gem,\nnatural spinel,\nunheated gemstone,\nrare blue gem,\nvivid spinel,\ncollector gemstone,\nloose spinel,\nspinel for ring,\nfine gemstone,\nsapphire alternative,\ninvestment gem,\nfaceted spinel,","brand":"Faran Gems","offers":[{"title":"Default Title","offer_id":56600272961841,"sku":null,"price":600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5516\/6513\/files\/606ca745-il_fullxfull.7134121293_od3m.jpg?v=1791040427","url":"https:\/\/farangems.com\/products\/2-25ct-vivid-blue-cobalt-spinel-gem-rare-untreated-faceted-stone","provider":"Faran Gems","version":"1.0","type":"link"}