Impressive sapphire and diamond brooch - Photo Sotheby's

Set with a cabochon sapphire within a frame of pear- and marquise-shaped diamonds. Estimate: 200,000 - 300,000 CHF. Lot sold 1,082,500 CHF

Accompanied by Gübelin report no. 12070075, stating that the sapphire is of Burmese origin, with no indications of heating.

Sotheby's. Magnificent Jewels. Geneva | 14 Nov 2012 www.sothebys.com