4.07 ct Heart Blue Sapphire Pair (2.05 + 2.02 ct), GRS, Ceylon Heated

4.07 ct Blue Sapphire (2 pieces), heart 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. GRS report GRS2026-018892. Measurements: 2.05 ct: 7.14 × 7.81 × 4.94 mm; 2.02 ct: 7.11 × 7.67 × 4.71 mm. Our grading: gem quality vivid (royal) blue. Matched pair of 2 stones: 2.05 ct (stock CS-0753) and 2.02 ct (stock CS-0754), total weight 4.07 ct. Reports: GRS2026-018892 (5 Feb 2026) (2.05 ct); GRS2026-018894 (5 Feb 2026) (2.02 ct). Stock number CS-0753. The video on this page was filmed in our office, unedited and unfiltered. 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.

Royal blue, in its colour grade, describes a deep, rich, velvety blue, among the most valued sapphire colours. Their laboratory reports are from GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Paired stones like these are made for earrings or the shoulders of a three-stone ring.

More like this: Royal Blue Sapphires · Blue Sapphires · Ceylon Sapphires · Matched Pairs · Calibrated Gemstones · Stone search

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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