Lot 9202. 5.31 carats Colombian Step-cut Emerald and Diamond Ring. Estimate 1,100,000 — 1,500,000 HKD. Photo: Sotheby's

Set with a step-cut emerald weighing 5.31 carats, flanked on each side by a trapeze-cut diamond stated to weigh approximately 1.56 carats in total, mounted in platinum. Ring size: 6.

Accompanied by SSEF and AGL reports numbered 87100 and CS 64445, dated 2 August 2016 and 20 November 2014 respectively, stating that the emerald is natural, of Colombian origin, with no indications of clarity modification..

Sotheby's. Important Jewels and Jadeite, Hong Kong, 12 Oct 2017, 02:00 PM