Ruby and diamond necklace, Bulgari, 1963.  Phote Sotheby's

Of fringe design, set with oval and cushion-shaped rubies and brilliant-cut diamonds, length approximately 390mm, signed Bulgari, case, Bulgari. Lot 571. Estimate  370,000-550,000 CHF

Accompanied by Gübelin report no.12030190, stating that all but two of the rubies are of Burmese origin from the Mogok region, with no indications of thermal enhancement. One is of Burmese origin, with no indications of therma enhancement. One is of Thai origin, thermally enhanced.

Property of a princely family. 

Sotheby's. Magnificent Jewels and Noble Jewels; Geneva | 14 May 2012, 11:00 AM www.sothebys.com