1.01 ct Cushion Ruby, GRS, Burma Unheated

1.01 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 GRS2025-081086. Measurements: 6.60 × 4.52 × 3.12 mm. Our grading: fine quality red. Stock number CS-0891. 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.

It is documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.46. 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

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