{"product_id":"spinelle-cobalt-bleu-naturel-non-chauffe-4-00-ct-blue-cobalt-spinel","title":"Natural unheated blue cobalt spinel 4.00 ct – Tanzania","description":"\u003cp\u003e\u003cstrong\u003eNatural unheated blue cobalt spinel – 4.00 carats\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNatural blue cobalt spinel of \u003cstrong\u003e4.00 ct\u003c\/strong\u003e, deep blue in colour, ideal for a ring or a bespoke jewellery piece.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGemmological report: \u003cstrong\u003eAAP83356 (28\/04\/2026)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpecies: natural spinel\u003c\/li\u003e\n\u003cli\u003eTrade name: blue cobalt spinel\u003c\/li\u003e\n\u003cli\u003eColour: blue (daylight)\u003c\/li\u003e\n\u003cli\u003eShape: cushion\u003c\/li\u003e\n\u003cli\u003eMeasurements: 10.19 × 9.17 × 5.17 mm\u003c\/li\u003e\n\u003cli\u003eCrown cut: double brilliant\u003c\/li\u003e\n\u003cli\u003ePavilion cut: step (4)\u003c\/li\u003e\n\u003cli\u003eComments: no heat \/ no treatment\u003c\/li\u003e\n\u003cli\u003eOrigin: Tanzania\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eReady to be set to your design.\u003c\/p\u003e","brand":"Maxime Voillot Gems","offers":[{"title":"Default Title","offer_id":58311101383001,"sku":"SPINB4N053MAX","price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0267\/2155\/0520\/files\/SPINB4N053MAX_2.jpg?v=1781608455","url":"https:\/\/maximevoillotgems.com\/en\/products\/natural-unheated-blue-cobalt-spinel-4-00-ct-tanzania","provider":"Maxime Voillot Gems","version":"1.0","type":"link"}