14 mai 2016
57.60 carats Ceylon step-cut sapphire and diamond brooch
Lot 406. 57.60 carats Ceylon step-cut sapphire and diamond brooch. Estimate 240,000 — 435,000 CHF (219,340 - 397,553 EUR ). Photo Sotheby's Set with a step-cut sapphire weighing 57.60 carats, within a frame of brilliant-cut, pear- and marquise-shaped...