Sapphire and diamond ring, Bulgari, circa 1980. Photo Sotheby's.

Claw-set to the centre with a cabochon sapphire weighing 16.83 carats, between baguette diamond shoulders, size 511/2, signed Bulgari, case stamped Bulgari. Estimation 50,000 - 80,000 CHF

Accompanied by SSEF report no. 69973, stating that the sapphire is of Ceylon origin, with no indications of heating, and GIA report no. 7112667785, stating that the sapphire is of Burmese origin, with no indications of heating.

PROPERTY OF AN ITALIAN NOBLE FAMILY

Sotheby's. Magnificent Jewels. Geneva | 13 Nov 2013 -http://www.sothebys.com/