Attractive  6.11 carats Ruby and diamond ring

Claw-set with a cushion-shaped ruby weighing 6.11 carats, between triangular diamond shoulders, mounted in platinum, size 52. Estimate 110,000—230,000  CHF- Lot sold  146,500 CHF

Accompanied by Gübelin report no. 9603033 stating that the ruby is of Burmese origin, with no indications of thermal treatment.

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