Very fine ruby and diamond ring, Harry Winston - Photo Sotheby's

Claw-set with an oval ruby weighing 6.09 carats, between triangular diamond shoulders, size 52, maker's mark. Estimation: 430,000 - 715,000 CHF

Accompanied by SSEF report no. 64396 and Gübelin report no. 12080080, stating that the ruby is of Burmese origin, with no indications of heating, the Gübelin report also stating ‘pigeon blood’ colour.

Sotheby's. Magnificent Jewels. Genève | 14 nov. 2012 www.sothebys.com