10.03 ct Oval Blue Sapphire Pair (5.01 + 5.02 ct), GIA & GRS, Ceylon Heated

10.03 ct Blue Sapphire (2 pieces), oval cut, from Ceylon. Heated, the long-established and stable treatment for rubies and sapphires, accepted across the trade. Sri Lanka (Ceylon) is known for bright, lively sapphires across the colour range, including padparadscha. GIA report 2225416560. Measurements: 5.01 ct: 11.41 × 8.14 × 5.72 mm; 5.02 ct: 11.56 × 7.96 × 6.14 mm. Our grading: gem quality intense blue. Matched pair of 2 stones: 5.01 ct (stock CS-0740) and 5.02 ct (stock CS-0741), total weight 10.03 ct. Reports: GIA# 2225416560 (5.01 ct); GRS2026-018900 (5 Feb 2026) (5.02 ct). Stock number CS-0740. Approved trade buyers can sign in on this page for pricing, or WhatsApp or email us about this stone. Viewings by appointment in Toronto, Hong Kong, Bangkok and Dubai.

“Intense” in its colour grade indicates strong, well-saturated colour. Their laboratory reports are from GIA, the Gemological Institute of America, with a further report from GRS. Paired stones like these are made for earrings or the shoulders of a three-stone ring.

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Further reading: Reading a GRS Report: Pigeon's Blood, Royal Blue, Vivid and the Comments Line · Heated vs Unheated Sapphire: What the Difference Means for Price