16 novembre 2017
21.41 carats, H Colour, VVS1 Clarity, type IIa Diamond ring, William Goldberg
Lot 233. A 21.41 carats, H Colour, VVS1 Clarity, Type IIa Diamond ring, William Goldberg. Estimate 540,000 — 835,000 CHF . Lot Sold 951,000 CHF. Photo: Sotheby's. Set with a round-cornered rectangular modified brilliant-cut diamond weighing 21.41 carats,...