4.04 ct Oval Ruby, GRS, Mozambique Heated

4.04 ct Ruby, oval cut, from Mozambique. Heated, the long-established and stable treatment for rubies and sapphires, accepted across the trade. Mozambique has become the largest modern source of ruby. GRS report GRS2022-040318 H. Measurements: 11.41 × 9.04 × 4.33 mm. Our grading: fine quality vivid red. Stock number CS-0447. 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 1.26. Large enough to anchor a statement ring or pendant.

More like this: Mozambique Rubies · Rubies · 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