{"product_id":"natural-cobalt-spinel-vivid-blue-oval-1-35-ct-tanzania-c01755","title":"Natural Cobalt Spinel Oval 1.35 ct – Vibrant, Vivid Blue, No Heat – Bellerophon","description":"\u003cp\u003eNatural cobalt spinel from Tanzania (Mahenge), oval, 1.349 ct, vivid blue, with no indication of heating according to its Bellerophon Gemlab report. Sold as a single loose stone.\u003c\/p\u003e\u003ch3\u003eLaboratory report\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLaboratory\u003c\/th\u003e\n\u003ctd\u003eBellerophon Gemlab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eReport number\u003c\/th\u003e\n\u003ctd\u003eC01755\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eReport date\u003c\/th\u003e\n\u003ctd\u003e31 March 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eIdentification\u003c\/th\u003e\n\u003ctd\u003eNatural cobalt spinel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1.349 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMeasurements\u003c\/th\u003e\n\u003ctd\u003e7.94 × 6.41 × 3.78 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShape and cut\u003c\/th\u003e\n\u003ctd\u003eFaceted oval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eColour\u003c\/th\u003e\n\u003ctd\u003eVivid Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTrade name\u003c\/th\u003e\n\u003ctd\u003eVibrant (the report states the stone may be called \"Vibrant\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransparency\u003c\/th\u003e\n\u003ctd\u003eTransparent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFluorescence\u003c\/th\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eNo indications of any treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eTanzania (Mahenge)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eThe original report ships with the stone. You can verify the report number on the laboratory's website before you buy.\u003c\/p\u003e","brand":"Auction Gems Europe","offers":[{"title":"Default Title","offer_id":54524878717275,"sku":"SP-TZ-009","price":1750.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1045\/1307\/7595\/files\/vzkoy19udshw.jpg?v=1793215695","url":"https:\/\/auctiongemseurope.com\/products\/natural-cobalt-spinel-vivid-blue-oval-1-35-ct-tanzania-c01755","provider":"Auction Gems Europe","version":"1.0","type":"link"}