Lot 544. Impressive Burmese sapphire and diamond brooch. Estimate 200,000 — 300,000 CHF. Lot sold 1,082,500 CHF. Photo: Sotheby's 2012

Set with a cabochon sapphire within a frame of pear- and marquise-shaped diamonds.

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