13 mai 2017
Sapphire and diamond necklace, circa 1880
Lot 344. Property of a Roman princely family. Ceylon Sapphire and diamond necklace, circa 1880. Estimate 305,000 — 510,000 CHF . Photo: Sotheby's. Set with cushion-, oval and pear-shaped sapphires highlighted with cushion-shaped, circular-, single-cut...