30 avril 2015
Emerald and diamond ring
19.17 carats Colombian e merald and diamond ring. Estimate 390,000 — 485,000 CHF (367,925 - 457,548 EUR). Photo Sotheby's Set with a step-cut emerald weighing 19.17 carats, between triangular diamond shoulders, size 50. Accompanied by SSEF report no....