{"product_id":"oval-blue-sapphire-gemstone-4-00ct-gia","title":"4.00 ct Natural Blue Sapphire, Sri Lanka – Oval, Heated | GIA Sapphire Origin Report 5232835332","description":"\u003cp\u003e4.00 carat oval blue sapphire, measuring 9.52 × 8.45 × 6.42 mm, accompanied by GIA Sapphire Origin Report #5232835332 dated 14 January 2026. The report records Color Blue, Transparency Transparent, Species Natural Corundum, Variety Sapphire, two separate cutting-style fields, and an Additional Results field that reads Heated. It gives Sri Lanka as the geographic origin, as an expert opinion.\u003c\/p\u003e\n\n\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-au\/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 one is a 4.00 carat oval, and it comes with a GIA Sapphire Origin Report whose fields you can read for yourself: color, transparency, the two cutting-style entries, geographic origin and Additional Results. I would rather you judged it from the report and the photographs than from anything I say about it, so ask me for more images and look.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhat the Report Records\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eThe limit of our own reporting.\u003c\/strong\u003e We report the fields GIA printed on this document. Where we add a view of our own, such as the clarity assessment, the setting advice and the cleaning preference, we mark it as ours.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRead it yourself.\u003c\/strong\u003e The report is reproduced in the images on this page, and GIA's own service at reportcheck.gia.edu returns the same fields against the report number. Check it there, and ask us for anything else you want to see before you buy.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGeographic origin.\u003c\/strong\u003e The Geographic Origin field reads Sri Lanka. In its Comments section, GIA prints: \"Any statement on geographic origin is an expert opinion based on a collection of observations and analytical data.\" We print the field and the caveat together and add nothing to either.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCutting style, two fields.\u003c\/strong\u003e The report gives the crown and the pavilion separately: Crown: Modified Brilliant Cut, and Pavilion: Step Cut. The crown carries brilliant-style faceting; the pavilion carries step-style faceting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eClarity.\u003c\/strong\u003e Under 10× we see minor inclusions, and that is our own assessment rather than a report value, because a GIA colored-stone report carries no clarity grade.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eBuying Guidance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cp\u003eA few practical points to weigh before purchasing this specific stone:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead GIA Report #5232835332 against the stone.\u003c\/strong\u003e Check the report number, the carat weight, the measurements, the color, the transparency, both cutting-style fields and the Additional Results entry against the physical stone before you finalise the purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLook at the whole face-up view.\u003c\/strong\u003e Ask us for more images and video and look at the whole face before you decide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan the setting around the stone's proportions.\u003c\/strong\u003e An oval outline has no corners. We would choose a setting that holds the girdle securely all the way round; that is our own recommendation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse the Try Before You Buy option\u003c\/strong\u003e if you would like to see the stone in hand before finalising the purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecies Characteristics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cp\u003eThe three values below describe corundum as a mineral species. They are not findings about this individual stone. GIA prints them in the Characteristics panel of this report.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMineral: Corundum\u003c\/li\u003e\n\u003cli\u003eMohs hardness: 9\u003c\/li\u003e\n\u003cli\u003eToughness: Excellent\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSeparately, this report prints September as the birthstone month. September belongs to sapphire, the variety, in every color.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eLearn More About This Gemstone\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-au\/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-au\/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-au\/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-au\/blogs\/information-pages-complete-guide\/oval-sapphire-guide\"\u003eOval Sapphire Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-au\/blogs\/information-pages-complete-guide\/sapphire-buying-guide\"\u003eSapphire Buying Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\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: 14px; color: #4a235a;\"\u003eGemstone Data — At a Glance\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eItem #\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eCG8363\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eCarat Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e4.00 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eMeasurements\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e9.52 × 8.45 × 6.42 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eShape\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eCutting Style (Crown)\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eModified Brilliant Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eCutting Style (Pavilion)\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eStep Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eTransparency\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eTransparent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eSpecies\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eNatural Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eVariety\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eSapphire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eGeographic Origin\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eSri Lanka\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eAdditional Results\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eHeated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; font-weight: 600;\"\u003eLaboratory Report\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eGIA Report #5232835332\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eSKU: CG8363\u003c\/li\u003e\n\u003cli\u003eCarat Weight: 4.00 carats\u003c\/li\u003e\n\u003cli\u003eMeasurements: 9.52 × 8.45 × 6.42 mm\u003c\/li\u003e\n\u003cli\u003eShape: Oval\u003c\/li\u003e\n\u003cli\u003eCutting Style, crown: Modified Brilliant Cut\u003c\/li\u003e\n\u003cli\u003eCutting Style, pavilion: Step Cut\u003c\/li\u003e\n\u003cli\u003eColor: Blue\u003c\/li\u003e\n\u003cli\u003eTransparency: Transparent\u003c\/li\u003e\n\u003cli\u003eSpecies: Natural Corundum\u003c\/li\u003e\n\u003cli\u003eVariety: Sapphire\u003c\/li\u003e\n\u003cli\u003eGeographic Origin: Sri Lanka\u003c\/li\u003e\n\u003cli\u003eAdditional Results: Heated\u003c\/li\u003e\n\u003cli\u003eLaboratory Report: GIA Report #5232835332\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cstrong\u003eCare\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003eGIA publishes its own cleaning guidance and treats heat-treated sapphire as usually safe for ultrasonic and steam cleaners. We prefer not to use either, because we cannot see how a stone is held once it is set. That preference is ours, not a condition carried on the report.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eClean with lukewarm water and mild soap using a soft brush\u003c\/li\u003e\n\u003cli\u003eStore separately to avoid surface contact\u003c\/li\u003e\n\u003cli\u003eOnce it is set, take it off for heavy physical work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cstrong\u003eThis Stone\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003eThis is one individual natural gemstone, not laboratory-grown material. The stone you receive is the stone documented on GIA Report #5232835332.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eWhat's included with this Blue Sapphire\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGIA Report #5232835332\u003c\/li\u003e\n\u003cli\u003eGemstone packed in a gem sleeve\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crescent Gems","offers":[{"title":"Default Title","offer_id":42798908211267,"sku":"CG8363","price":11576.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8982\/8931\/files\/1112023001_d7cdf1ee-4a50-46c7-a4c5-579f86c51f3c.jpg?v=1778352310","url":"https:\/\/crescentgems.com\/en-au\/products\/oval-blue-sapphire-gemstone-4-00ct-gia","provider":"Crescent Gems","version":"1.0","type":"link"}