{"product_id":"1-16-ct-emerald-cut-ceylon-yellow-sapphire-heated","title":"1.16 ct Natural Heat-Treated Yellow Sapphire – Emerald Cut | GIA Report | Sri Lanka (Ceylon)","description":"\u003cp\u003eA natural 1.16 ct yellow sapphire, documented by GIA Sapphire Origin Report 6247032058. The report gives the colour as \u003cstrong\u003eYellow\u003c\/strong\u003e, the shape as \u003cstrong\u003eOctagonal\u003c\/strong\u003e, the cutting style as \u003cstrong\u003eStep Cut\u003c\/strong\u003e, and the geographic origin as \u003cstrong\u003eSri Lanka\u003c\/strong\u003e — origin as an expert opinion, with a printed disclaimer to that effect. Under Additional Results it records \u003cstrong\u003eHeated\u003c\/strong\u003e, and nothing further: the report does not say what the heating achieved, and we draw no conclusion from it. The trade calls the pairing of an octagonal outline with step facets an emerald cut; that is the trade's name, not a field of the report.\u003c\/p\u003e\n\n\u003cp\u003eThe report also carries a second comment: \u003cstrong\u003e\"This stone passed GIA's color stability test.\"\u003c\/strong\u003e That matters more on a yellow sapphire than on most colours. Yellow in corundum can come from colour centres, and some of those are light-sensitive, so GIA exposes the stone to strong light and re-reads the colour; the colour printed on the report is the colour after that exposure. This is a dated laboratory result, not a promise about the future, and it is not a statement about any treatment other than the one the report records.\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;\"\u003eThe Owner's Assessment\u003c\/h2\u003e\n\u003cp style=\"font-weight: 600; margin-bottom: 6px;\"\u003e\u003ca href=\"\/en-ye\/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 look at the rough first on any stone, and this 1.16 carat piece from Sri Lanka took a step cut. A step cut is unforgiving — it shows you exactly what you're buying. I call it loupe clean, and I want to be plain that this is my own assessment: GIA's coloured-stone reports carry no clarity grade, so nobody's document is grading it. Look at the stone, and ask me anything the report doesn't answer.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhat the Report States, and What We Add\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cp\u003eField by field, here is what the document carries and what is ours:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin — Sri Lanka:\u003c\/strong\u003e The report gives the geographic origin as Sri Lanka, and prints alongside it that any statement on geographic origin is an expert opinion based on a collection of observations and analytical data. The older trade name for stones from the island is Ceylon; the report does not use it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape and Cutting Style — two separate fields:\u003c\/strong\u003e The report prints the shape as Octagonal and the cutting style as Step Cut. Those are two different fields and we keep them apart. Step facets are large, flat and parallel, and they present the stone as broad planes rather than as small points of light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat the Report Establishes:\u003c\/strong\u003e Species, variety, weight, measurements, shape, colour, transparency and cutting style are findings. Geographic origin is given as an expert opinion, not a finding. The treatment entry reads Heated, with no statement of what the heating did.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity — our assessment, not a grade:\u003c\/strong\u003e We call this stone loupe clean, meaning we find no inclusions under 10× magnification. That is our own observation. GIA's coloured-stone reports carry no clarity grade, so this figure appears on no document and should be checked against the stone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour Stability:\u003c\/strong\u003e The report's comments record that this stone passed GIA's colour stability test. The colour GIA printed is the colour the stone showed after that test.\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 to consider before purchasing this stone:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the report:\u003c\/strong\u003e The physical document is headed \"Sapphire Origin Report\" above the report number — that is the line to check this page against the paper. Confirm the measurements (6.59 x 5.07 x 3.72 mm) and weight (1.16 ct) match before you buy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice per carat:\u003c\/strong\u003e At $702.00 for 1.16 ct, this works out to roughly $605 per carat. Compare price per carat, not just total price, when evaluating alternatives — and compare documents too, since what one seller's paper covers is not what another's does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal pairing:\u003c\/strong\u003e Yellow and rose gold settings sit close to this stone in tone; white gold and platinum sit against it. Which you prefer is a matter of taste, not of quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAsk what the document covers:\u003c\/strong\u003e This report's Additional Results entry reads Heated. It does not say at what temperature, for how long, or to what effect, and we do not fill those gaps in. Ask any seller, for any stone, exactly what their document does and does not cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting considerations:\u003c\/strong\u003e A bezel, or prongs seated to cover the cut corners, is worth discussing with your setter for everyday wear — that is our recommendation, not a line from the report.\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-ye\/blogs\/information-pages-complete-guide\/yellow-sapphire-buyers-guide\"\u003eYellow Sapphire — The Complete Buyer's Guide to Colour, Origin, and Value\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ye\/blogs\/information-pages-complete-guide\/ceylon-sapphire-complete-guide\"\u003eCeylon Sapphire: The Complete Guide to the Sri Lankan Origin\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ye\/blogs\/information-pages-complete-guide\/emerald-cut-sapphire-guide\"\u003eEmerald Cut Sapphire — The Complete Guide to the Step Cut That Shows Everything\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ye\/blogs\/information-pages-complete-guide\/how-sapphire-heat-treatment-works\"\u003eHow Sapphire Heat Treatment Works, and How It Is Recorded on a Report\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ye\/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-ye\/blogs\/information-pages-complete-guide\/buying-sapphires-for-jyotish-vedic-astrology\"\u003eBuying Sapphires for Jyotish (Vedic Astrology) — Requirements, Specifications, and Common Mistakes\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;\"\u003eCG8464\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;\"\u003e1.16 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; width: 42%;\"\u003eSpecies \/ Variety\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eNatural Corundum \/ Sapphire — colour is a separate field, and it reads Yellow\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\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eOctagonal\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%;\"\u003eCutting Style\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003eStep Cut — called an emerald cut in the trade; not a field of 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; width: 42%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e6.59 x 5.07 x 3.72 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;\"\u003eYellow — the report's colour field carries this one word and no intensity or saturation 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%;\"\u003eColor Stability\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003ePassed GIA's color stability test — a dated test result recorded in the report's comments, not a guarantee\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;\"\u003eHeat Treated\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 — given by GIA as an expert opinion, with a 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 — no inclusions found by us at 10×. Our own assessment; GIA coloured-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%;\"\u003eMohs Hardness\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px; border-bottom: 1px solid #e5d9ee;\"\u003e9 — scratch resistance. Hardness is not toughness; the report's Excellent toughness entry is GIA's figure for corundum as a species, not a finding about this stone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 8px; font-weight: 600; width: 42%;\"\u003eLaboratory Report\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 8px;\"\u003eGIA Sapphire Origin Report 6247032058, dated August 14, 2026. GIA issues reports, not certificates.\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 1.16 ct Emerald-Cut Ceylon Yellow Sapphire?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cp\u003eA step cut is built from large flat facets running parallel to the girdle, so it returns light in broad planes rather than in small scattered flashes. It is an open, unfussy face, and the stone measures 6.59 x 5.07 mm across. Whether you prefer that look to a brilliant cut is a matter of taste; neither is a grade, and the report grades neither.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Benefits of this Natural Yellow Sapphire\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin: Sri Lanka\u003c\/strong\u003e\u003cbr\u003eGiven on the report as an expert opinion, with GIA's printed disclaimer alongside it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOctagonal Outline, Step Cut\u003c\/strong\u003e\u003cbr\u003eThe report's two cut fields, kept separate. Large flat facets and an open face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGIA-Documented\u003c\/strong\u003e\u003cbr\u003eSpecies, weight, measurements, shape, colour and cutting style as findings; origin as an expert opinion; treatment recorded as Heated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour Stability Test Passed\u003c\/strong\u003e\u003cbr\u003eRecorded in the report's comments. A dated laboratory result, not a guarantee about the future.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness 9\u003c\/strong\u003e\u003cbr\u003eVery high scratch resistance. Hardness is not the same as toughness, and a step cut's corners are its vulnerable points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhat you are buying is a single unmounted stone and the document that goes with it. The report says what it says, we have marked what is ours, and the rest is a matter of looking at the stone.\u003c\/p\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\u003eCarat Weight: 1.16 Carats\u003c\/li\u003e\n\u003cli\u003eGem Type: Natural Yellow Sapphire\u003c\/li\u003e\n\u003cli\u003eShape: Octagonal\u003c\/li\u003e\n\u003cli\u003eCutting Style: Step Cut (the trade calls this pairing an emerald cut)\u003c\/li\u003e\n\u003cli\u003eOrigin: Sri Lanka — GIA's expert opinion, not a finding\u003c\/li\u003e\n\u003cli\u003eTreatment: Heat Treated\u003c\/li\u003e\n\u003cli\u003eColor: Yellow (the report's only colour word)\u003c\/li\u003e\n\u003cli\u003eClarity: Loupe Clean — no inclusions found by us at 10× magnification — our own assessment, not a GIA grade\u003c\/li\u003e\n\u003cli\u003eLaboratory report: GIA Sapphire Origin Report 6247032058, dated August 14, 2026\u003c\/li\u003e\n\u003cli\u003eComments on the report: passed GIA's color stability test\u003c\/li\u003e\n\u003cli\u003eMohs hardness: 9 (scratch resistance, not toughness)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003ePerfect Uses for this 1.16 ct Yellow Sapphire\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eEngagement ring center stone in yellow or white gold\u003c\/li\u003e\n\u003cli\u003eCustom pendant or cocktail ring\u003c\/li\u003e\n\u003cli\u003eContemporary bezel or east-west ring setting\u003c\/li\u003e\n\u003cli\u003eCollectors of Ceylon yellow sapphire\u003c\/li\u003e\n\u003cli\u003eAnniversary or milestone gift\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eCare\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cp\u003eClean this sapphire with lukewarm water, mild soap, and a soft brush. Store it separately from other jewelry to prevent scratching, and remove it before heavy activity or manual work. GIA considers ultrasonic and steam cleaners generally safe for heat-treated sapphire; we still prefer not to use them on step-cut stones, because the corners are where a knock does damage. That is our preference, not a warning from the report.\u003c\/p\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 6247032058, dated August 14, 2026\u003c\/li\u003e\n\u003cli\u003eThe 1.16 ct emerald-cut Ceylon yellow sapphire, packed in a protective gem sleeve\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crescent Gems","offers":[{"title":"Default Title","offer_id":43489323155523,"sku":"CG8464","price":702.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8982\/8931\/files\/12001.jpg?v=1783137336","url":"https:\/\/crescentgems.com\/en-ye\/products\/1-16-ct-emerald-cut-ceylon-yellow-sapphire-heated","provider":"Crescent Gems","version":"1.0","type":"link"}