12 mai 2017
Attractive emerald and diamond necklace, late 19th century and later
Lot 358. Attractive Colombian emerald and diamond necklace, late 19th century and later. Estimate 510,000 — 810,000 CHF . Photo: Sotheby's Composed of a line of pinched collet-set circular-cut and cushion-shaped diamonds, and step-cut emeralds, length...