4.92 ct Emerald Cut Emerald, GRS, Colombia

4.92 ct Emerald, emerald cut, from Colombia. Treatment: Insignificant oil, "Old Mine". Clarity enhancement graded insignificant, a level widely accepted for fine emerald. Colombia is the classic source of fine emerald, valued for its pure, slightly bluish green. GRS report GRS2024-110561. Measurements: 11.30 × 9.54 × 6.50 mm. Our grading: fine quality vivid (muzo) green. Stock number CS-0681. 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.

Muzo green, in its colour grade, is the warm, intense green associated with Colombia’s Muzo mine. Its laboratory report is from GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.18. Large enough to anchor a statement ring or pendant.

More like this: Old Mine Colombian Emeralds · Colombian Emeralds · Loose Emeralds · 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