1.00 ct Cushion Ruby, GRS, Burma Unheated

1.00 ct Ruby, 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 GRS2022-062326. Measurements: 6.46 × 4.86 × 2.89 mm. Our grading: fine quality red color (vivid red). Stock number CS-0888. 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. It is documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.33. A good size for a solitaire ring, a halo design or a pendant.

More like this: Burma Rubies · Unheated Rubies · Rubies · Unheated Gemstones · Stone search

Similar stones: 0.95 ct Pear Ruby, IGL, Thailand Heated · 0.95 ct Emerald Cut Ruby · 0.96 ct Oval Ruby, GRS, Burma Unheated · 0.99 ct Square Cushion Ruby, GRS, Burma Unheated · 1.00 ct Oval Ruby, GRS, Thailand Heated · 1.01 ct Emerald Cut Ruby, Burma Heated · 1.01 ct Cushion Ruby, GRS, Burma Unheated · 1.02 ct Cushion Ruby

Further reading: Reading a GRS Report: Pigeon's Blood, Royal Blue, Vivid and the Comments Line · Rubies, Sapphires and Emeralds: Origin, Treatment and Value