{"product_id":"unheated-white-sapphire-1-75ct-oval-mixed-cut-nss-certified","title":"Unheated White Sapphire — 1.75ct | Oval Mixed Cut | NSS Certified","description":"\u003cp\u003eAn exquisite \u003cstrong\u003eUnheated Natural White Sapphire\u003c\/strong\u003e — completely colourless and untreated, certified by NSS Gemological Lab with GIA \u0026amp; AIGS affiliation. Unheated sapphires are the pinnacle of natural gemstone purity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariety:\u003c\/strong\u003e Unheated White Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Colourless\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.75 carats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape \u0026amp; Cut:\u003c\/strong\u003e Oval \/ Mixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8.53 x 6.36 x 4.23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e No indication of heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertificate:\u003c\/strong\u003e NSS Gemological Test Report (NSS-20260409-093100) — 9th April 2026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eUnheated sapphires are extraordinarily rare — most sapphires on the market have been heat-treated to enhance colour. This stone is in its purest natural state, making it a true collector's gem and a stunning diamond alternative.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e✦ Certificate of authenticity included  |  ✦ No indication of heating  |  ✦ Tracked \u0026amp; insured shipping\u003c\/p\u003e","brand":"Zayi \u0026 Co.","offers":[{"title":"Default Title","offer_id":48045579501726,"sku":"NSS-20260409-093100","price":349.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/2689\/0654\/files\/ChatGPTImageAug16_2026_10_45_13PM.png?v=1786884338","url":"https:\/\/zayiandco.com.au\/products\/unheated-white-sapphire-1-75ct-oval-mixed-cut-nss-certified","provider":"Zayi \u0026 Co.","version":"1.0","type":"link"}