23 décembre 2016
Very fine 17.39 carats Type IIa diamond ring
Lot 446. Very fine 17.39 carats Type IIa diamond ring. Estimation 2,400,000 — 2,800,000 CHF. Lot sold 2,710,000 CHF. Photo Sotheby's. Set with a brilliant-cut diamond weighing 17.39 carats, size 52. Accompanied by GIA report no. 2165988391, stating that...