Sapphire and diamond ring, Bulgari, 1960s - Sotheby's

Set to the centre with an oval sapphire, the mount set with demi-lune and brilliant-cut diamonds, size 531/2, signed Bulgari. Estimate:  57,000 – 85,000 CHF

Accompanied by SSEF report no. 67534, stating that the sapphire is of Burmese origin, with no indications of heating.

Sotheby's. Magnificent Jewels and Noble Jewels. Genève | 14 mai 2013 - www.sothebys.com