10 octobre 2017
Emerald and Diamond Ring
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...