{"product_id":"5-18-ct-cushion-vivid-blue-sapphire-ceylon-gia","title":"5.18 ct Natural Blue Sapphire, Ceylon (Sri Lanka) – Cushion Cut, Heated | GIA Sapphire Report 6237949095","description":"\u003cp\u003eA substantial 5.18 ct cushion-cut blue sapphire on \u003cstrong\u003eGIA Sapphire Report #6237949095\u003c\/strong\u003e, which records species, variety, weight, measurements (10.00 × 8.42 × 7.03 mm), colour, transparency, cutting style and treatment. The Colour field reads Deep Blue — the report notes the trade calls this “Royal Blue” — and Additional Results reads Heated. Two things on this page are ours, not the report’s: the \u003cstrong\u003eCeylon origin\u003c\/strong\u003e (we bought it in Sri Lanka through our Colombo, Beruwala and Ratnapura offices; the report’s Geographic Origin reads “Not Requested”) and the \u003cstrong\u003eclarity\u003c\/strong\u003e (inclusions visible under 10×, natural to the stone and reflected in the price).\u003c\/p\u003e\u003cdiv style=\"border: 2px solid #5b2c6f; border-radius: 10px; padding: 20px 24px; margin: 28px 0; background-color: #f9f5fc;\"\u003e\n\u003ch2 style=\"margin-top: 0; margin-bottom: 12px; color: #4a235a;\"\u003eExpert Opinion\u003c\/h2\u003e\n\u003cp style=\"font-weight: 600; margin-bottom: 6px;\"\u003e\u003ca href=\"\/en-hk\/pages\/ahmed-shareek-about-the-owner\" style=\"color: #4a235a; text-decoration: underline;\"\u003eAhmed Shareek\u003c\/a\u003e's Assessment\u003c\/p\u003e\n\u003cp style=\"font-style: italic; margin-bottom: 0;\"\u003e\"This is a 5.18 carat Ceylon blue sapphire, and what I notice first is the light return through the cushion. GIA Sapphire Report #6237949095 covers species, variety, weight, measurements, color, transparency, cutting style and treatment. Two things stated on this page are ours and not the report's: the clarity, which is our own assessment, and the origin. We bought the stone in Sri Lanka ourselves, and that is the whole basis for the Ceylon origin given here.\"\u003c\/p\u003e\n\u003c\/div\u003e\u003ch2\u003eGood to Know\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead the report alongside the listing:\u003c\/strong\u003e #6237949095 is the source for the lab facts; the clarity note and origin are our own.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify it yourself\u003c\/strong\u003e on GIA’s Report Check before buying.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e at 5.18 ct this needs a mount with prongs protecting the cushion’s corners — a cushion’s most vulnerable point.\u003c\/li\u003e\n\u003cli\u003ePrefer to see it first? Use the \u003cstrong\u003eTry Before You Buy\u003c\/strong\u003e option.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eLearn More About This Gemstone\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-hk\/blogs\/information-pages-complete-guide\/blue-sapphire-buyers-guide\"\u003eBlue Sapphire Buyer's Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-hk\/blogs\/information-pages-complete-guide\/cushion-cut-sapphire-guide\"\u003eCushion Cut Sapphire Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-hk\/pages\/heated-vs-unheated\"\u003eHeated vs Unheated Sapphire Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-hk\/blogs\/information-pages-complete-guide\/what-is-a-gia-sapphire-report-and-how-do-you-read-one\"\u003eGIA Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-hk\/blogs\/information-pages-complete-guide\/how-to-commission-custom-sapphire-ring\"\u003eCustom Ring Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-hk\/pages\/ceylon-sapphire-origin-guide\"\u003eCeylon Sapphire Origin Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-hk\/blogs\/information-pages-complete-guide\/sapphire-buying-guide\"\u003eSapphire Buying Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCare \u0026amp; What’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eClean with warm water, mild soap and a soft brush; store separately; avoid ultrasonic and steam cleaners.\u003c\/li\u003e\n\u003cli\u003eShips with GIA Report #6237949095, packed in a gem sleeve.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crescent Gems","offers":[{"title":"Default Title","offer_id":42645301329987,"sku":"CG8312","price":79553.71,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8982\/8931\/files\/Cressent_Gem_CG8312_2.jpg?v=1778507178","url":"https:\/\/crescentgems.com\/en-hk\/products\/5-18-ct-cushion-vivid-blue-sapphire-ceylon-gia","provider":"Crescent Gems","version":"1.0","type":"link"}