{"product_id":"igi-certified-natural-blue-sapphire-1-87-carats-oval-mixed-cut-diffusion-treated","title":"IGI Certified Natural Blue Sapphire | 1.87 Carat Oval Mixed Cut | Luxury Gemstone","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:1f2c6417-2851-486c-866d-3b060cbbdffd-253\" data-testid=\"conversation-turn-92\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8e75fdf7-71c3-4b05-8b85-09d26fe4e43c\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"1bw7wp4\" data-start=\"101\" data-end=\"123\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"125\" data-end=\"317\"\u003eA striking 1.87 carat natural blue sapphire, certified by the International Gemological Institute (IGI) \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eInternational Gemological Institute\u003c\/span\u003e\u003c\/span\u003e, featuring a rich and captivating deep blue color.\u003c\/p\u003e\n\u003cp data-start=\"319\" data-end=\"597\"\u003eThis gemstone is cut in a classic oval mixed cut, designed to maximize brilliance while showcasing the stone’s vivid color and natural character. Its elegant proportions and highly desirable size make it an excellent choice for rings, pendants, and other fine jewelry creations.\u003c\/p\u003e\n\u003cp data-start=\"599\" data-end=\"974\"\u003eThe IGI report states that this sapphire has undergone high-temperature treatment with color diffusion from an external source. Diffusion treatment introduces coloring elements into the surface layers of the stone to enhance or create its blue color. This treatment is permanent but significantly affects market value compared to untreated or conventionally heated sapphires.\u003c\/p\u003e\n\u003cp data-start=\"976\" data-end=\"1128\"\u003eWith its attractive appearance and internationally recognized certification, this sapphire offers strong visual appeal at a more accessible price point.\u003c\/p\u003e\n\u003ch2 data-section-id=\"y5ghnr\" data-start=\"1130\" data-end=\"1156\"\u003eGemstone Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1158\" data-end=\"1730\"\u003e\n\u003cli data-section-id=\"uea60l\" data-start=\"1158\" data-end=\"1191\"\u003eGemstone: Natural Blue Sapphire\u003c\/li\u003e\n\u003cli data-section-id=\"1tfoyjk\" data-start=\"1192\" data-end=\"1219\"\u003eSpecies: Natural Corundum\u003c\/li\u003e\n\u003cli data-section-id=\"1i13otu\" data-start=\"1220\" data-end=\"1239\"\u003eVariety: Sapphire\u003c\/li\u003e\n\u003cli data-section-id=\"1m3ghjo\" data-start=\"1240\" data-end=\"1261\"\u003eWeight: 1.87 Carats\u003c\/li\u003e\n\u003cli data-section-id=\"1p6hop\" data-start=\"1262\" data-end=\"1275\"\u003eShape: Oval\u003c\/li\u003e\n\u003cli data-section-id=\"d7uoyg\" data-start=\"1276\" data-end=\"1298\"\u003eCut Style: Mixed Cut\u003c\/li\u003e\n\u003cli data-section-id=\"6cdtip\" data-start=\"1299\" data-end=\"1312\"\u003eColor: Blue\u003c\/li\u003e\n\u003cli data-section-id=\"48fef0\" data-start=\"1313\" data-end=\"1340\"\u003eTransparency: Transparent\u003c\/li\u003e\n\u003cli data-section-id=\"19kvf08\" data-start=\"1341\" data-end=\"1432\"\u003eTreatment: High-Temperature Diffusion Treatment (Color Diffusion from an External Source)\u003c\/li\u003e\n\u003cli data-section-id=\"4o4m1o\" data-start=\"1433\" data-end=\"1474\"\u003eCertification: IGI Colored Stone Report\u003c\/li\u003e\n\u003cli data-section-id=\"5i5xh\" data-start=\"1475\" data-end=\"1501\"\u003eReport Number: 620409636\u003c\/li\u003e\n\u003cli data-section-id=\"1bsxxba\" data-start=\"1502\" data-end=\"1534\"\u003eReport Date: February 28, 2024\u003c\/li\u003e\n\u003cli data-section-id=\"15t6nn6\" data-start=\"1535\" data-end=\"1572\"\u003eMeasurements: 9.00 × 6.80 × 3.30 mm\u003c\/li\u003e\n\u003cli data-section-id=\"hftoep\" data-start=\"1573\" data-end=\"1620\"\u003eCharacteristics: Natural Inclusion(s) Pattern\u003c\/li\u003e\n\u003cli data-section-id=\"15k15mb\" data-start=\"1621\" data-end=\"1654\"\u003eRefractive Index: 1.762 – 1.770\u003c\/li\u003e\n\u003cli data-section-id=\"1h786y9\" data-start=\"1655\" data-end=\"1677\"\u003eBirefringence: 0.008\u003c\/li\u003e\n\u003cli data-section-id=\"2posx1\" data-start=\"1678\" data-end=\"1705\"\u003eOptic Character: Uniaxial\u003c\/li\u003e\n\u003cli data-section-id=\"font2m\" data-start=\"1706\" data-end=\"1730\"\u003eSpecific Gravity: 4.00\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"kt3wgb\" data-start=\"1732\" data-end=\"1760\"\u003eWhy Choose This Gemstone?\u003c\/h2\u003e\n\u003cul data-start=\"1762\" data-end=\"2081\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"9dsmle\" data-start=\"1762\" data-end=\"1827\"\u003eCertified by IGI for authenticity and full treatment disclosure\u003c\/li\u003e\n\u003cli data-section-id=\"1fwcpra\" data-start=\"1828\" data-end=\"1874\"\u003eRich deep blue color with elegant oval shape\u003c\/li\u003e\n\u003cli data-section-id=\"1rmdxk1\" data-start=\"1875\" data-end=\"1937\"\u003eAttractive and affordable alternative to untreated sapphires\u003c\/li\u003e\n\u003cli data-section-id=\"tos3n5\" data-start=\"1938\" data-end=\"1995\"\u003ePerfect for custom rings, pendants, and bespoke jewelry\u003c\/li\u003e\n\u003cli data-section-id=\"tl0c3q\" data-start=\"1996\" data-end=\"2054\"\u003eExcellent choice for collectors and gemstone enthusiasts\u003c\/li\u003e\n\u003cli data-section-id=\"17kz7gb\" data-start=\"2055\" data-end=\"2081\" data-is-last-node=\"\"\u003eOnly one piece available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"thread-bottom-container\" class=\"sticky bottom-0 z-10 group\/thread-bottom-container relative isolate w-full basis-auto has-data-has-thread-error:pt-2 has-data-has-thread-error:[box-shadow:var(--sharp-edge-bottom-shadow)] md:border-transparent md:pt-0 dark:border-white\/20 md:dark:border-transparent print:hidden content-fade single-line flex flex-col\"\u003e\n\u003cdiv class=\"relative mx-auto h-0\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"thread-bottom\"\u003e\n\u003cdiv class=\"text-base mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 mb-[var(--thread-component-gap,1rem)]\"\u003e\n\u003cdiv class=\"pointer-events-auto relative z-1 flex h-(--composer-container-height,100%) max-w-full flex-(--composer-container-flex,1) flex-col\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Saleh Sallom","offers":[{"title":"Default Title","offer_id":46714913423548,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/8428\/1532\/files\/hf_20260504_123246_66bd4afe-59b0-4abe-a1af-6090036c6492.png?v=1778477671","url":"https:\/\/www.salehsallom.com\/products\/igi-certified-natural-blue-sapphire-1-87-carats-oval-mixed-cut-diffusion-treated","provider":"Saleh Sallom","version":"1.0","type":"link"}