9 août 2016
18.00 carats Colombian emerald and diamond ring
Lot 1635. 18.00 carats Colombian emerald and diamond ring. Estimate 2,000,000 — 2,800,000 HKD. Lot sold 3,140,000 HKD. Photo: Sotheby's 2011. Centring on a step-cut emerald weighing approximately 18.00 carats, flanked on each side by a trilliant diamond...