28 octobre 2013
Very fine sapphire ring
Very fine sapphire ring. Photo Sotheby's. Claw-set with a cushion-shaped sapphire weighing 21.42 carats, size 551/2. Estimate: 680,000 – 910,000 CHF Accompanied by SSEF report no. 69922 and Gübelin report no. 13100090, each stating that the sapphire is...