{"product_id":"saphir-etoile-noir-naturel-oval-cabochon-7-8x10-5-mm","title":"Natural black star sapphire oval cabochon 7.8x10.5 mm","description":"\u003cul\u003e\n\n\u003cli\u003eType: Black star sapphire\u003c\/li\u003e\n\n\u003cli\u003eOrigin: T\u003cspan\u003ehailand\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eShape: Oval cabochon\u003c\/li\u003e\n\n\u003cli\u003eStone weight: 4.80 ct\u003c\/li\u003e\n\n\u003cli\u003eColor: Charcoal gray to dark brown\u003c\/li\u003e\n\n\u003cli\u003eDimensions: 7.8 x 10.5 mm\u003c\/li\u003e\n\n\u003cli\u003eQuality and treatment: \u003cspan\u003eN\/A\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eBirth month: \u003cspan\u003eN\/A\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eHardness: 9\u003c\/li\u003e\n\n\u003cli\u003eRefractive index: 1.762 – 1.77\u003c\/li\u003e\n\n\u003cli\u003eDensity: 4\u003c\/li\u003e\n\n\u003cli\u003eCare: Gently scrub with a soft brush and warm soapy water\u003c\/li\u003e\n\n\u003cli\u003eUltrasonic sensitivity: Generally safe\u003c\/li\u003e\n\n\u003cli\u003eSteam sensitivity: Generally safe\u003c\/li\u003e\n\n\u003cli\u003eChemical sensitivity: Some acids, including borax\u003c\/li\u003e\n\n\u003cli\u003eHeat sensitivity: Medium to low – May cause a color change\u003c\/li\u003e\n\n\u003cli\u003eThe image is for illustrative purposes only\u003c\/li\u003e\n\n\u003cli\u003eSold individually\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThis stone can be incorporated into a custom project, according to your preferences. We work directly with independent cutters and suppliers, using a respectful and transparent approach. Each stone is carefully chosen to ensure reliable quality, while supporting responsible practices.\u003c\/p\u003e","brand":"Mathieu Blanchard","offers":[{"title":"Default Title","offer_id":46531879272696,"sku":"PSAM14281S","price":126.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0471\/7199\/3767\/files\/saphir-etoile-noir-naturel-oval-cabochon-7-8x10-5-mm-mathieu-blanchard-psam14281s-saphir-etoile-noir-naturel-oval-cabochon-7-8x10-5-mm-mathieu-blanchard-joaillerie-1176000705.png?v=1751309590","url":"https:\/\/mathieublanchard.fr\/en\/products\/sapphire-natural-black-star-oval-cabochon-7-8x10-5-mm","provider":"Mathieu Blanchard Joaillerie","version":"1.0","type":"link"}