7.72 ct Cushion Emerald, GRS, Colombia

7.72 ct Emerald, cushion cut, from Colombia. Treatment: Minor oil, "Old Mine, Mariposa". Clarity enhancement graded minor, a level widely accepted for fine emerald. Colombia is the classic source of fine emerald, valued for its pure, slightly bluish green. GRS report GRS2024-038727. Measurements: 11.81 × 11.72 × 9.27 mm. Our grading: fine quality vivid (muzo) green. Stock number CS-0730. 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.

Muzo green, in its colour grade, is the warm, intense green associated with Colombia’s Muzo mine. It is documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Face-up it is almost exactly square. A collector’s size, suited to a signature ring, pendant or a stone kept loose.

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

Similar stones: 6.60 ct Emerald Cut Emerald Pair (3.06 + 3.54 ct), GRS, Zambia · 6.92 ct Pear Emerald, GRS, Colombia Min-Mod oil · 6.99 ct Heart-Pear Emerald, Colombia · 7.61 ct Emerald Cut Emerald Pair (3.68 + 3.93 ct), GRS, Zambia Minor oil · 7.95 ct Emerald Cut Emerald, CDC, Colombia Minor oil · 8.06 ct Cushion Emerald, GIA, Zambia · 8.08 ct Pear Emerald Pair (4.24 + 3.84 ct), GRS, Zambia Min-Mod oil · 8.15 ct Cushion Emerald Pair (3.97 + 4.18 ct), GIA, Zambia

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