2 mai 2017
Sapphire and diamond brooch-pendant
Lot 255. 10.60 carats Sapphire and diamond brooch-pendant. Estimate 205,000 — 305,000 CHF . Photo: Sotheby's Set with a step-cut sapphire weighing 10.60 carats, within a surround of circular-cut diamonds, brooch fitting detachable. Sotheby's . Magnificent...