Pink sapphire and diamond ring, Oscar Heyman & Brothers

Set at the centre with a cushion-shaped pink sapphire between shield-shaped diamonds, within a border of square-, calibré-cut and baguette diamonds, further decorated with similarly cut pink sapphires, the shoulders set with tapered baguette and baguette diamonds, mounted in platinum, numbered, original drawing not included in the sale of this lot. size 49, ring sizer, Estimate 130,000—180,000 CHF - Lot Sold 290,500 CHF

Sotheby's. Magnificent Jewels. 19 Nov 08. Geneva. Photo courtesy Sotheby's. www.sothebys.com