{"product_id":"2-05-ct-radiant-ceylon-blue-sapphire-heat-treated-gia","title":"2.05 ct Natural Heat-Treated Blue Sapphire – Radiant Cut | GIA Certified | Sri Lanka (Ceylon)","description":"\u003cp\u003eA natural 2.05 ct blue sapphire, heat treated, documented by GIA Sapphire Origin Report #5242032116. The report records the weight, measurements of 8.06 x 5.48 x 4.58 mm, color Blue, Heated under Additional Results, a shape of Octagonal and a cutting style of Modified Brilliant Cut — the combination the trade calls a radiant. It gives Sri Lanka as the geographic origin, and prints alongside it that any statement on geographic origin is an expert opinion based on a collection of observations and analytical data.\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-be\/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\"What I like about this one is how little you have to take on trust. The weight, the measurements, the octagonal outline and the brilliant faceting are all on the report, and so is Sri Lanka — as GIA's opinion, which is what an origin line is. The blue is the blue; look at it yourself and decide. Read the document before you take my word for it — that is exactly what I look for.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhat the Report Establishes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cp\u003eEverything below can be checked against GIA Report #5242032116 rather than taken on our word. Where something is our own assessment rather than the laboratory's, it says so.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight and measurements:\u003c\/strong\u003e 2.05 carats, measuring 8.06 x 5.48 x 4.58 mm — a rectangular octagonal outline whose length-to-width ratio works out at about 1.47. The weight and the measurements are on the report; the ratio is our arithmetic from them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSri Lankan origin, as GIA's opinion:\u003c\/strong\u003e The report gives Sri Lanka as the geographic origin, and prints alongside it that any such statement is an expert opinion based on a collection of observations and analytical data. We quote it as an opinion and never as a confirmation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOctagonal outline, brilliant faceting:\u003c\/strong\u003e The report gives Shape: Octagonal and Cutting Style: Modified Brilliant Cut. That pairing — an octagonal outline finished throughout with brilliant faceting — is what the trade calls a radiant. We quote no facet count: a figure like that belongs to the cut type rather than to this stone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGIA documentation:\u003c\/strong\u003e Weight, measurements, color, shape, cutting style and heating are all recorded by an independent laboratory, and the origin is given there as GIA's opinion. You can read the document rather than the listing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoupe clean, by our assessment:\u003c\/strong\u003e We assess this stone as loupe clean — no inclusions visible at 10x magnification. That is our own assessment and not a GIA grade: GIA colored-stone reports carry no clarity grade at all.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat, recorded on the report:\u003c\/strong\u003e The Additional Results field of GIA Report #5242032116 reads Heated. We report that field and what our own examination showed; we go no further. Ask any seller, for any stone, exactly what their document covers.\u003c\/li\u003e\n\u003c\/ul\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 worth weighing before you buy this stone:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompare price per carat, not just total price. Dividing the asking price by the carat weight is what makes stones of different sizes comparable, and it is the figure to benchmark against other GIA-documented Sri Lankan sapphires.\u003c\/li\u003e\n\u003cli\u003eHeat is not the only question to ask. Heating is routine in the sapphire trade and the Additional Results field of this report reads Heated. Diffusion is a separate and more consequential treatment, disclosed under different rules in most markets. Ask any seller which treatments their document actually covers — a report that addresses heating has, by itself, addressed heating.\u003c\/li\u003e\n\u003cli\u003eWork from the millimetres, not from the carat weight. Check 8.06 x 5.48 x 4.58 mm against your setting design before committing to a mounting, since two stones of the same weight can differ in face-up dimensions.\u003c\/li\u003e\n\u003cli\u003eIf buying for a ring rather than a pendant, request additional photos or video in natural daylight, so you can judge the blue with your own eye before you buy.\u003c\/li\u003e\n\u003cli\u003eKeep the GIA report with the stone. It is the primary record of what the laboratory observed, and it is what an insurer or a later buyer will ask to see.\u003c\/li\u003e\n\u003c\/ul\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-be\/blogs\/information-pages-complete-guide\/blue-sapphire-buyers-guide\"\u003eBlue Sapphire — The Complete Buyer's Guide to Color, Origin, and Value\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-be\/blogs\/information-pages-complete-guide\/ceylon-sapphire-complete-guide\"\u003eCeylon Sapphire: The Complete Guide to the World's Most Trusted Sapphire Origin\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-be\/blogs\/information-pages-complete-guide\/how-sapphire-heat-treatment-works\"\u003eHow Sapphire Heat Treatment Works\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-be\/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-be\/blogs\/information-pages-complete-guide\/what-a-good-2-carat-sapphire-costs\"\u003eCost of a 2 Carat Sapphire — Pricing, Scarcity, What Your Budget Buys\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-be\/blogs\/information-pages-complete-guide\/blue-sapphire-engagement-ring-guide-what-every-buyer-should-know-before-purchasing\"\u003eBlue Sapphire Engagement Ring 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;\"\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;\"\u003eCG8458\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600; width: 42%;\"\u003eCarat Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e2.05 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; width: 42%;\"\u003eSpecies\/Variety\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eCorundum \/ Blue 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; width: 42%;\"\u003eShape\/Cut\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eOctagonal — Modified Brilliant Cut (the trade name for this pairing is a radiant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600; width: 42%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e8.06 x 5.48 x 4.58 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; width: 42%;\"\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; width: 42%;\"\u003ePhenomenon\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600; width: 42%;\"\u003eTreatment\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eHeated (GIA Sapphire Origin Report #5242032116)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600; width: 42%;\"\u003eOrigin\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eSri Lanka — GIA geographic origin opinion, per the report's printed disclaimer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600; width: 42%;\"\u003eClarity\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eLoupe 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; width: 42%;\"\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; width: 42%;\"\u003eHardness\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e9 on the Mohs scale — scratch resistance; a corundum species constant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee; font-weight: 600; width: 42%;\"\u003eToughness\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eExcellent — printed on the report as a corundum species characteristic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; font-weight: 600; width: 42%;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eGIA Sapphire Origin Report #5242032116\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy Choose this 2.05 ct Radiant-Cut Ceylon Blue Sapphire?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cp\u003eAt 8.06 x 5.48 x 4.58 mm this is a stone to measure against the mounting you have in mind; take the millimetres to your jeweler before you settle the design. What the report adds is the part worth paying for: the color call, the shape, the cutting style, the heating, and a geographic origin opinion, all on one document you can check yourself.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Benefits of this Natural Blue Sapphire\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSri Lankan Origin, as GIA's Opinion\u003c\/strong\u003e\u003cbr\u003eGIA Sapphire Origin Report #5242032116 gives Sri Lanka as the geographic origin, and records the weight, measurements, color, shape, cutting style and heating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOctagonal Outline, Brilliant Faceting\u003c\/strong\u003e\u003cbr\u003eShape: Octagonal and Cutting Style: Modified Brilliant Cut, as recorded on the report — the pairing the trade calls a radiant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Recorded as Blue\u003c\/strong\u003e\u003cbr\u003eThe report's color call is Blue. GIA grades no saturation or tone on a colored-stone report, so that is the whole of what the document says about color.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeated, and Recorded as Such\u003c\/strong\u003e\u003cbr\u003eAdditional Results on GIA Report #5242032116 reads Heated. Heating is routine in the sapphire trade; the document is what makes this stone's status checkable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard-Wearing\u003c\/strong\u003e\u003cbr\u003eCorundum is 9 on the Mohs scale, which measures scratch resistance. The report also prints corundum's toughness as excellent — that is the property that matters for a knock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eItem #: CG8458\u003c\/li\u003e\n\u003cli\u003eCarat Weight: 2.05 Carats\u003c\/li\u003e\n\u003cli\u003eSpecies\/Variety: Corundum \/ Blue Sapphire\u003c\/li\u003e\n\u003cli\u003eShape\/Cut: Octagonal — Modified Brilliant Cut (trade name: radiant)\u003c\/li\u003e\n\u003cli\u003eDimensions: 8.06 x 5.48 x 4.58 mm\u003c\/li\u003e\n\u003cli\u003eColor: Blue\u003c\/li\u003e\n\u003cli\u003ePhenomenon: None\u003c\/li\u003e\n\u003cli\u003eTreatment: Heated (GIA Sapphire Origin Report #5242032116)\u003c\/li\u003e\n\u003cli\u003eOrigin: Sri Lanka — GIA geographic origin opinion\u003c\/li\u003e\n\u003cli\u003eClarity: Loupe clean — no inclusions visible at 10x — our own assessment, not a GIA grade; GIA colored-stone reports carry no clarity grade\u003c\/li\u003e\n\u003cli\u003eTransparency: Transparent\u003c\/li\u003e\n\u003cli\u003eHardness: 9 on the Mohs scale — scratch resistance; a corundum species constant\u003c\/li\u003e\n\u003cli\u003eToughness: Excellent — printed on the report as a corundum species characteristic\u003c\/li\u003e\n\u003cli\u003eCertification: GIA Sapphire Origin Report #5242032116\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eCare of Your Ceylon Blue Sapphire\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\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\u003eRemove before heavy physical activity\u003c\/li\u003e\n\u003cli\u003eAvoid ultrasonic or steam cleaners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGIA Sapphire Origin Report #5242032116\u003c\/li\u003e\n\u003cli\u003eGemstone packed in a gem sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003ePerfect Uses for this 2.05 ct Ceylon Blue Sapphire\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eSapphire engagement ring center stone\u003c\/li\u003e\n\u003cli\u003eStatement pendant in a halo or bezel setting\u003c\/li\u003e\n\u003cli\u003eCollectors of GIA-documented Ceylon blue sapphires\u003c\/li\u003e\n\u003cli\u003eSignificant anniversary or milestone commission\u003c\/li\u003e\n\u003cli\u003eSeptember birthstone gift\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crescent Gems","offers":[{"title":"Default Title","offer_id":43488644792387,"sku":"CG8458","price":3299.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8982\/8931\/files\/8458001.jpg?v=1783090579","url":"https:\/\/crescentgems.com\/en-be\/products\/2-05-ct-radiant-ceylon-blue-sapphire-heat-treated-gia","provider":"Crescent Gems","version":"1.0","type":"link"}