{"product_id":"1-61-ct-round-ceylon-blue-sapphire","title":"1.61 ct Natural Blue Sapphire, Sri Lanka – Round, Heated | GIA Certified | Sapphire Origin Report 2241017779","description":"\u003cp\u003eA 1.61-carat natural blue sapphire, round, 6.92 to 7.09 mm across and 4.47 mm deep, with a brilliant-cut crown over a step-cut pavilion. It comes with GIA Sapphire Origin Report 2241017779, dated August 3, 2026, which records the stone as Heated.\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-de\/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\"I like a round stone for a ring because a round outline has no corners or points. Before you buy, watch the videos of this one and look up the report number on GIA's own site. That is what I would do.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhat the GIA Report Records\u003c\/h2\u003e\n\n\u003cp\u003eGIA Sapphire Origin Report 2241017779 describes one loose stone. These are the values it prints:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariety:\u003c\/strong\u003e Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.61 carats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 6.92 - 7.09 x 4.47 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Style, Crown:\u003c\/strong\u003e Brilliant Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Style, Pavilion:\u003c\/strong\u003e Step Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransparency:\u003c\/strong\u003e Transparent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeographic Origin:\u003c\/strong\u003e Sri Lanka\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Results:\u003c\/strong\u003e Heated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUnder Comments, GIA prints: \"Any statement on geographic origin is an expert opinion based on a collection of observations and analytical data.\" You can check the report number on GIA's Report Check service.\u003c\/p\u003e\n\n\u003ch2\u003eThe Cut\u003c\/h2\u003e\n\n\u003cp\u003eThe crown, the upper part of the stone, is cut with brilliant facets. The pavilion, the lower part, is cut with step facets. The trade calls this combination a mixed cut. GIA gives the diameter as a range, 6.92 to 7.09 mm, measured across the stone, with a depth of 4.47 mm.\u003c\/p\u003e\n\n\u003ch2\u003eClarity\u003c\/h2\u003e\n\n\u003cp\u003eIn our own assessment, the stone shows inclusions visible under 10× magnification and looks eye-clean at a normal viewing distance. GIA colored-stone reports carry no clarity grade, so this is our description, not GIA's.\u003c\/p\u003e\n\n\u003ch2\u003eBuying Guidance\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eLook up report number 2241017779 on GIA's Report Check service and compare it with the GIA values listed above.\u003c\/li\u003e\n\u003cli\u003eWatch the videos of this stone. If you would like more, ask us for additional photos or a video call.\u003c\/li\u003e\n\u003cli\u003eGive your jeweler the measurements, 6.92 to 7.09 mm across and 4.47 mm deep, before choosing a setting, so the mounting is made or adjusted to this stone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTry Before You Buy:\u003c\/strong\u003e Customers in the United States can see the stone in person before committing. Ask us how it works.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eLearn More About This Gemstone\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-de\/blogs\/information-pages-complete-guide\/what-is-a-gia-sapphire-report-and-how-do-you-read-one\"\u003eWhat Is a GIA Sapphire Report and How Do You Read One\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-de\/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-de\/blogs\/information-pages-complete-guide\/is-a-round-sapphire-good-for-an-engagement-ring-cut-color-and-what-to-know-before-you-buy\"\u003eIs a Round Sapphire Good for an Engagement Ring?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-de\/blogs\/information-pages-complete-guide\/sapphire-buying-guide\"\u003eSapphire Buying Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-de\/blogs\/information-pages-complete-guide\/how-to-commission-custom-sapphire-ring\"\u003eCustom Sapphire Rings 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; width: 42%;\"\u003eItem #\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eCG8133\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e1.61 carats\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 \/ Variety\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eNatural Corundum \/ Sapphire\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;\"\u003eRound\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;\"\u003eBrilliant 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;\"\u003eMeasurements\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e6.92 - 7.09 x 4.47 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;\"\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;\"\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; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eClarity\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eInclusions visible under 10×, eye-clean — our own assessment; GIA colored-stone reports carry no clarity grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eMohs Hardness \/ Toughness\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e9 \/ Excellent — characteristics of the species, as printed on the report\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600;\"\u003eBirthstone\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eSeptember — as printed on the report, for sapphire\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 Sapphire Origin Report 2241017779, August 3, 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin: 12px 0 0; font-size: 0.9em;\"\u003eEvery row except Item # and Clarity reproduces a value printed on the GIA report; the notes after a dash are ours.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCare\u003c\/h2\u003e\n\n\u003cp\u003eGIA publishes its own cleaning guidance for sapphire, which treats ultrasonic and steam cleaning as usually safe for heat-treated stones. We prefer lukewarm water, mild soap and a soft brush for a stone we have not set ourselves, because we cannot see how it will be held. That is our preference, not a warning from the report. Store it apart from other jewelry, and once it is set, take it off for heavy physical work.\u003c\/p\u003e\n\n\u003ch2\u003eOne of a Kind\u003c\/h2\u003e\n\n\u003cp\u003eThis is a single natural sapphire, not a laboratory-grown stone. The stone described on GIA Sapphire Origin Report 2241017779 is the stone you receive.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGIA Sapphire Origin Report 2241017779\u003c\/li\u003e\n\u003cli\u003eThe sapphire, packed in a gem sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Crescent Gems","offers":[{"title":"Default Title","offer_id":42665947791427,"sku":"CG8133","price":2353.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8982\/8931\/files\/stone_CG8133_image-1.jpg?v=1778350320","url":"https:\/\/crescentgems.com\/en-de\/products\/1-61-ct-round-ceylon-blue-sapphire","provider":"Crescent Gems","version":"1.0","type":"link"}