4.03 ct Oval Ruby, GRS, Burma Unheated

4.03 ct Ruby, oval cut, from Burma. Unheated: the colour is as the stone formed, with no heat treatment. Mogok, in Burma (Myanmar), has set the standard for fine rubies and sapphires for centuries. GRS report GRS2026-070481. Measurements: 11.63 × 9.16 × 4.00 mm. Our grading: fine quality red. Stock number CS-1298. 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.

It is documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.27. A centre stone of real presence for a ring or pendant.

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

Similar stones: 3.93 ct Oval Ruby, GIA, Burma Heated · 3.95 ct Emerald Cut Ruby, GRS, Mozambique Unheated · 3.98 ct Cushion Ruby · 4.02 ct Oval Ruby, GRS, Mozambique Unheated · 4.03 ct Oval Ruby, GRS, Mozambique Heated · 4.03 ct Cushion Ruby, GRS, Mozambique Unheated · 4.03 ct Round Ruby Pair (2.01 + 2.02 ct), GIA, Thailand Unheated · 4.04 ct Oval Ruby, GRS, Mozambique Heated

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