Impressive natural pearl, ruby and diamond necklace. Phote Sotheby's

Composed of three strands of natural pearls measuring from approximately 5.0 to 13.3mm, the clasp set with cabochon, oval, step-cut and cushion-shaped rubies and variously cut diamonds, length of the shortest row approximately 560mm. Lot 678. Estimate 275,000-550,000 CHF

Accompanied by SSEF report no. 62596, stating that the pearls were found to be natural, saltwater.

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