{"product_id":"1-13-ct-natural-blue-cobalt-spinel-no-heat-vivid-blue-pear-cut-spinel","title":"1.13 Ct Natural Blue Cobalt Spinel | No Heat | Vivid Blue Pear Cut Spinel","description":"\u003ch2 data-section-id=\"1bw7wp4\" data-start=\"97\" data-end=\"119\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e695\u003c\/p\u003e\n\u003cp data-start=\"121\" data-end=\"464\"\u003eAn exceptionally attractive \u003cstrong data-start=\"149\" data-end=\"190\"\u003e1.13 carat Natural Blue Cobalt Spinel\u003c\/strong\u003e, displaying a vivid blue color and accompanied by confirmation of \u003cstrong data-start=\"257\" data-end=\"285\"\u003eno heat and no treatment\u003c\/strong\u003e. Fine blue spinels are among the rarest and most sought-after collector gemstones, prized for their remarkable brilliance, exceptional transparency, and naturally vibrant colors.\u003c\/p\u003e\n\u003cp data-start=\"466\" data-end=\"716\"\u003eThis gemstone features an elegant pear cut that combines the brilliance of a round gemstone with the graceful silhouette of a marquise shape. The cut enhances both sparkle and visual size while showcasing the stone's rich blue color from every angle.\u003c\/p\u003e\n\u003cp data-start=\"718\" data-end=\"1056\"\u003eWhat makes this spinel particularly desirable is its vivid cobalt-blue appearance. Cobalt-bearing blue spinels are highly regarded by collectors and gem enthusiasts due to their rarity and striking saturation. Unlike many blue gemstones that routinely undergo enhancement, this stone remains completely natural without any heat treatment.\u003c\/p\u003e\n\u003cp data-start=\"1058\" data-end=\"1309\"\u003eSpinel has long been treasured by royalty and collectors for its durability, brilliance, and rarity. Historically mistaken for ruby and sapphire in famous crown jewels, fine spinel is now recognized as one of the world's premier collectible gemstones.\u003c\/p\u003e\n\u003cp data-start=\"1311\" data-end=\"1482\"\u003eIts elegant pear shape and vivid blue color make it an excellent choice for custom engagement rings, pendants, collector jewelry, or investment-grade gemstone collections.\u003c\/p\u003e\n\u003chr data-start=\"1484\" data-end=\"1487\"\u003e\n\u003ch2 data-section-id=\"y5ghnr\" data-start=\"1489\" data-end=\"1515\"\u003eGemstone Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1517\" data-end=\"1557\"\u003e\u003cstrong data-start=\"1517\" data-end=\"1530\"\u003eGemstone:\u003c\/strong\u003e Natural Blue Cobalt Spinel\u003c\/p\u003e\n\u003cp data-start=\"1559\" data-end=\"1586\"\u003e\u003cstrong data-start=\"1559\" data-end=\"1571\"\u003eSpecies:\u003c\/strong\u003e Natural Spinel\u003c\/p\u003e\n\u003cp data-start=\"1588\" data-end=\"1611\"\u003e\u003cstrong data-start=\"1588\" data-end=\"1599\"\u003eWeight:\u003c\/strong\u003e 1.13 Carats\u003c\/p\u003e\n\u003cp data-start=\"1613\" data-end=\"1634\"\u003e\u003cstrong data-start=\"1613\" data-end=\"1623\"\u003eColor:\u003c\/strong\u003e Vivid Blue\u003c\/p\u003e\n\u003cp data-start=\"1636\" data-end=\"1651\"\u003e\u003cstrong data-start=\"1636\" data-end=\"1646\"\u003eShape:\u003c\/strong\u003e Pear\u003c\/p\u003e\n\u003cp data-start=\"1653\" data-end=\"1690\"\u003e\u003cstrong data-start=\"1653\" data-end=\"1668\"\u003eDimensions:\u003c\/strong\u003e 7.63 × 5.84 × 4.14 mm\u003c\/p\u003e\n\u003cp data-start=\"1692\" data-end=\"1716\"\u003e\u003cstrong data-start=\"1692\" data-end=\"1706\"\u003eCrown Cut:\u003c\/strong\u003e Brilliant\u003c\/p\u003e\n\u003cp data-start=\"1718\" data-end=\"1740\"\u003e\u003cstrong data-start=\"1718\" data-end=\"1735\"\u003ePavilion Cut:\u003c\/strong\u003e Step\u003c\/p\u003e\n\u003cp data-start=\"1742\" data-end=\"1769\"\u003e\u003cstrong data-start=\"1742\" data-end=\"1763\"\u003eRefractive Index:\u003c\/strong\u003e 1.720\u003c\/p\u003e\n\u003cp data-start=\"1771\" data-end=\"1797\"\u003e\u003cstrong data-start=\"1771\" data-end=\"1792\"\u003eSpecific Gravity:\u003c\/strong\u003e 3.65\u003c\/p\u003e\n\u003cp data-start=\"1799\" data-end=\"1843\"\u003e\u003cstrong data-start=\"1799\" data-end=\"1813\"\u003eTreatment:\u003c\/strong\u003e None (No Heat – No Treatment)\u003c\/p\u003e\n\u003cp data-start=\"1845\" data-end=\"1874\"\u003e\u003cstrong data-start=\"1845\" data-end=\"1862\"\u003eTransparency:\u003c\/strong\u003e Transparent\u003c\/p\u003e\n\u003cp data-start=\"1876\" data-end=\"1908\"\u003e\u003cstrong data-start=\"1876\" data-end=\"1899\"\u003eCertificate Number:\u003c\/strong\u003e ADP36676\u003c\/p\u003e\n\u003cp data-start=\"1910\" data-end=\"1948\"\u003e\u003cstrong data-start=\"1910\" data-end=\"1931\"\u003eCertificate Date:\u003c\/strong\u003e 03 February 2026\u003c\/p\u003e\n\u003cp data-start=\"1950\" data-end=\"2017\"\u003e\u003cstrong data-start=\"1950\" data-end=\"1979\"\u003eCertification Laboratory:\u003c\/strong\u003e \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eGFCO Gem Lab\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2019\" data-end=\"2022\"\u003e\n\u003ch2 data-section-id=\"kt3wgb\" data-start=\"2024\" data-end=\"2052\"\u003eWhy Choose This Gemstone?\u003c\/h2\u003e\n\u003cp data-start=\"2054\" data-end=\"2082\"\u003e✔ Natural Blue Cobalt Spinel\u003c\/p\u003e\n\u003cp data-start=\"2084\" data-end=\"2108\"\u003e✔ No Heat – No Treatment\u003c\/p\u003e\n\u003cp data-start=\"2110\" data-end=\"2135\"\u003e✔ Rare Collector Gemstone\u003c\/p\u003e\n\u003cp data-start=\"2137\" data-end=\"2155\"\u003e✔ Vivid Blue Color\u003c\/p\u003e\n\u003cp data-start=\"2157\" data-end=\"2175\"\u003e✔ Elegant Pear Cut\u003c\/p\u003e\n\u003cp data-start=\"2177\" data-end=\"2199\"\u003e✔ Excellent Brilliance\u003c\/p\u003e\n\u003cp data-start=\"2201\" data-end=\"2234\"\u003e✔ Highly Desirable Spinel Variety\u003c\/p\u003e\n\u003cp data-start=\"2236\" data-end=\"2263\"\u003e✔ Suitable for Fine Jewelry\u003c\/p\u003e\n\u003cp data-start=\"2265\" data-end=\"2285\"\u003e✔ Certified Gemstone\u003c\/p\u003e\n\u003cp data-start=\"2287\" data-end=\"2312\"\u003e✔ Strong Collector Appeal\u003c\/p\u003e","brand":"Saleh Sallom","offers":[{"title":"Default Title","offer_id":46898240454844,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/8428\/1532\/files\/hf_20260524_120745_681a119c-d4ee-40da-b825-aa9b36a6ecce.png?v=1780569106","url":"https:\/\/www.salehsallom.com\/products\/1-13-ct-natural-blue-cobalt-spinel-no-heat-vivid-blue-pear-cut-spinel","provider":"Saleh Sallom","version":"1.0","type":"link"}