2.31 ct Cushion Blue Sapphire, GRS, Burma Unheated
2.31 ct Blue Sapphire, cushion cut, from Burma. Unheated: the colour is as the stone formed, with no heat treatment. Burma (Myanmar) has set the standard for fine rubies and sapphires for centuries. GRS report GRS2018-100405. Measurements: 8.55 × 6.62 × 4.86 mm. Our grading: fine quality vivid to deep blue. Stock number CS-0229. 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.
“Vivid” in its colour grade marks the most saturated level of colour. Its laboratory report is from GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.29. Well suited to a solitaire, a halo ring or a pendant.
More like this: Blue Sapphires · Burma Sapphires · Unheated Sapphires · Unheated Gemstones · Stone search
Similar stones: 2.24 ct Cushion Blue Sapphire, GIA, Ceylon Heated · 2.26 ct Square Cushion Blue Sapphire, Ceylon Heated · 2.27 ct Round Blue Sapphire, GRS, Ceylon Heated · 2.30 ct Cushion Blue Sapphire, GRS, Unheated · 2.31 ct Round Blue Sapphire, GIT, Heated · 2.33 ct Cushion Blue Sapphire Pair, Ceylon Heated · 2.34 ct Oval Blue Sapphire, Ceylon Heated · 2.34 ct Round Blue Sapphire Pair (1.21 + 1.13 ct), Ceylon Heated
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