3.56 ct Emerald Cut Blue Sapphire, GRS, Madagascar Heated

3.56 ct Blue Sapphire, emerald cut, from Madagascar. Heated, the long-established and stable treatment for rubies and sapphires, accepted across the trade. Madagascar is one of the most important modern sources of fine sapphire and ruby. GRS report GRS2026-019888. Measurements: 9.56 × 6.67 × 5.00 mm. Our grading: fine quality royal blue. Stock number CS-0019. 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. It is documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.43. A centre stone of real presence for a ring or pendant.

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

Similar stones: 3.52 ct Cushion Blue Sapphire Pair, GRS, Burma Unheated · 3.52 ct Oval Blue Sapphire, GRS, Ceylon Heated · 3.54 ct Cushion Blue Sapphire, GIA, Burma Unheated · 3.55 ct Pear Blue Sapphire, Ceylon Heated · 3.56 ct Oval Blue Sapphire, Heated · 3.57 ct Cushion Blue Sapphire, GRS, Ceylon Heated · 3.63 ct Cushion Blue Sapphire, Ceylon Heated · 3.64 ct Round Blue Sapphire Pair (1.83 + 1.81 ct), AGTA, 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