Important step-cut diamond ring

Set with a step-cut diamond weighing 12.65 carats, between triangular diamond shoulders, mounted in platinum, size 56. Accompanied by GIA report no. 2105650466 stating the diamond is D Colour, VS1 Clarity. Est. 460,000—690,000 CHF - Lot Sold 662,500 CHF

Sotheby's. Magnificent Jewels and Noble Jewels And A Celebration of Taste and , Magnificent Jewels from a Private Collection. 12 May 09. Geneva www.sothebys.com photo courtesy Sotheby's