{"product_id":"natural-iolite-0-425-ct-oval-unheated-bluish-violet-high-quality-cordierite","title":"Natural Iolite - 0.425 ct - oval - unheated - bluish violet- high quality cordierite","description":"\u003cp\u003eNatural Iolite - 0.425 ct - oval - unheated - bluish violet- high quality cordierite\u003c\/p\u003e\n\u003cp\u003eMeet this captivating Natural Iolite—a completely untreated gemstone that dances between rich blue and violet hues with every twist and turn. Known as \"water-sapphire\" among gem enthusiasts, this 0.425 carat oval specimen showcases the kind of authentic brilliance that makes collectors' hearts skip a beat. Whether you're designing bespoke jewelry or building a curated collection, this high-quality cordierite delivers genuine character and outstanding value. No heat treatments, no tricks—just pure, unadulterated gemstone beauty waiting to become your next treasure.\u003c\/p\u003e\n\u003cp\u003eNatural Gems Belgium Colored Stone Certification \u003cstrong\u003eFA-IOLI026BV-003-203\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eIDENTIFICATION\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSpecies : Natural \u003cspan\u003eCordierite\u003c\/span\u003e\u003cbr\u003eVariety : Iolite\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eShape \u0026amp; Cutting Style : Oval, mixed Cut\u003cbr\u003eMeasurements : \u003cspan\u003e6.0 x 3.9 x 2.9 mm\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003eCarat Weight : 0.425 Carat\u003cbr\u003eColor : \u003cspan\u003eviolet (bluish)\u003c\/span\u003e\u003cbr\u003eClarity : comparable to SI\u003cbr\u003eTransparency : Transparant\u003c\/p\u003e\n\u003cp class=\"Os4qE\"\u003eBirefringence : \u003cspan\u003e0.005-0.018\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003eCrystallography : \u003cspan\u003eOrthorhombic\u003c\/span\u003e\u003cbr\u003eDispersion : \u003cspan\u003e0.017\u003c\/span\u003e\u003cbr\u003eLuster : Vitreous\u003cbr\u003eHardness : 7.5\u003cbr\u003eRefractive index : \u003cspan\u003e1.522-1.578\u003c\/span\u003e\u003cbr\u003eSpecific gravity : \u003cspan\u003e2.53-2.78\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMENTS :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo indications of heating, no indications of any other treatment\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePersonal Note From Natural Gems Belgium:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eColor : good to very good\u003cbr\u003eClarity : good \u003cbr\u003eCarat: jewelry size\u003cbr\u003eCut  : good\u003cbr\u003eSymmetry : very good\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/naturalgemsbelgium.shop\/blogs\/info-certificates-natural-gems-belgium\/fa-ioli026bv-003-203\" target=\"_blank\" title=\"online certificate of natural iolite\" rel=\"noopener\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cem\u003eFIND THE ONLINE CERTIFICATE HERE\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Natural Gems Belgium","offers":[{"title":"Default Title","offer_id":56418925805892,"sku":"FA-IOLI026BV-003-203","price":5.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/files\/20260220_121601.jpg?v=1771586902","url":"https:\/\/naturalgemsbelgium.shop\/products\/natural-iolite-0-425-ct-oval-unheated-bluish-violet-high-quality-cordierite","provider":"Natural Gems Belgium","version":"1.0","type":"link"}