26 septembre 2016
22.21 carats Colombian Emerald and Diamond Brooch, Harry Winston
Lot 1646. 22.21 carats Colombian Emerald and Diamond Brooch, Harry Winston. Estimate 2,300,000 — 4,000,000 HKD. Photo: Sotheby's. Centring on a step-cut emerald weighing 22.21 carats, accented with fourteen pear-and marquise-shaped diamonds weighing 22.54...