6.20 ct Cushion Blue Sapphire, GRS, Ceylon Heated

6.20 ct Blue Sapphire, cushion 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 GRS2026-018825. Measurements: 12.06 × 9.00 × 5.59 mm. Our grading: gem quality vivid (royal) blue. Stock number CS-0034. 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. Its laboratory report is from GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.34. Large enough to anchor a statement ring or pendant.

More like this: Royal Blue Sapphires · Blue Sapphires · Ceylon Sapphires · Stone search

Similar stones: 5.63 ct Oval Blue Sapphire, GRS, Thailand Unheated · 5.64 ct Oval Blue Sapphire, GIA, Heated · 5.74 ct Star Oval Blue Sapphire, Ceylon Unheated · 6.07 ct Oval Blue Sapphire, GRS, Unheated · 6.29 ct Cushion Blue Sapphire, GRS, Ceylon Heated · 6.33 ct Oval Blue Sapphire Pair (3.20 + 3.13 ct), GRS, Ceylon Heated · 6.35 ct Oval Blue Sapphire, GRS, Ceylon Unheated · 6.52 ct Square Cushion Blue Sapphire, GRS, Ceylon 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