6.33 ct Oval Blue Sapphire Pair (3.20 + 3.13 ct), GRS, Ceylon Heated

6.33 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. GRS report GRS2026-018891. Measurements: 3.20 ct: 10.05 × 7.58 × 5.09 mm; 3.13 ct: 10.16 × 7.68 × 4.91 mm. Our grading: gem quality vivid (royal) blue. Matched pair of 2 stones: 3.20 ct (stock CS-0747) and 3.13 ct (stock CS-0748), total weight 6.33 ct. Reports: GRS2026-018891 (5 Feb 2026) (3.20 ct); GRS2026-018893 (5 Feb 2026) (3.13 ct). Stock number CS-0747. 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. They are documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. As a pair it suits earrings, or the side stones of a three-stone ring.

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

Similar stones: 5.74 ct Star Oval Blue Sapphire, Ceylon Unheated · 6.07 ct Oval Blue Sapphire, GRS, Unheated · 6.20 ct Cushion Blue Sapphire, GRS, Ceylon Heated · 6.29 ct Cushion Blue Sapphire, GRS, Ceylon Heated · 6.35 ct Oval Blue Sapphire, GRS, Ceylon Unheated · 6.52 ct Square Cushion Blue Sapphire, GRS, Ceylon Unheated · 6.53 ct Oval Blue Sapphire, GIA, Heated · 6.57 ct Oval Blue Sapphire, GRS, Burma Unheated

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