Sapphire and diamond ring. Photo Sotheby's.

Set with a pear-shaped sapphire weighing 9.18 carats, and a modified heart brilliant-cut diamond weighing 4.93 carats, between shoulders set with baguette and single-cut diamonds, size 461/2. Estimation 65,000 - 73,000 CHF

Accompanied by two GIA reports: no. 1152534754, stating that the sapphire is of Ceylon origin, with no indications of heating; and no. 2155534036, stating that the diamond is F Colour, VS2 Clarity.

Sotheby's. Magnificent Jewels. Geneva | 13 Nov 2013 -http://www.sothebys.com/