11.89 ct Square Emerald Cut Emerald Pair (5.77 + 6.12 ct), GRS, Zambia No Oil

11.89 ct Emerald (2 pieces), square emerald cut, from Zambia. Treatment: No Oil. Zambia is a major modern source of emerald, typically a deep green with a slightly bluish tone. GRS report GRS2021-090185. Measurements: 5.77 ct: 11.16 × 10.95 × 5.95 mm; 6.12 ct: 11.16 × 11.05 × 6.35 mm. Our grading: fine quality vivid intense green. Matched pair of 2 stones: 5.77 ct (stock CS-0711) and 6.12 ct (stock CS-0712), total weight 11.89 ct. Reports: GRS2021-090185 (5.77 ct); GRS2021-090184 (6.12 ct). Stock number CS-0711. 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. Their laboratory reports are from GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Paired stones like these are made for earrings or the shoulders of a three-stone ring.

More like this: Zambian Emeralds · Matched Pairs · Calibrated Gemstones · Loose Emeralds · Stone search

Similar stones: 11.37 ct Pear Emerald Pair (5.85 + 5.52 ct), Zambia · 11.50 ct Pear Emerald, GIA, Colombia · 11.51 ct Square Emerald Cut Emerald, GIA, Colombia · 11.57 ct Square Emerald Cut Emerald, GRS, Colombia Minor oil · 12.24 ct Emerald Cut Emerald, Gübelin, Colombia Moderate · 12.52 ct Heart Emerald, GRS, Colombia Moderate · 13.03 ct Emerald Cut Emerald, GIA, Colombia · 13.09 ct Emerald Cut Emerald, GIA, Colombia

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