12 mai 2019
Fine emerald and diamond ring
Lot 442. Fine 11.55 carats Colombian emerald and diamond ring. Estimate 800,000 — 1,400,000 CHF (802,992 - 1,405,236 USD ) . Lot sold 692.000 CHF / 687.011 $. Courtesy Sotheby's Set with a step-cut emerald weighing 11.55 carats, the mount accented with...