17 mai 2012
Important diamond ring
Important diamond ring . Photo: Sotheby's. Claw-set with a marquise-shaped diamond weighing 9.97 carats, size 53½, sizing band. Estimation 640,000-910,000 CHF. Lot 670 vendu: 842,500 CHF Accompanied by GIA report no. 2135307086, stating that the diamond...