Natural pearl and diamond necklace - Photo Sotheby's

Designed as a single row of natural pearls graduating from approximately 5.45 to 10.70mm, the clasp set with four natural pearls, one of brown tint and highlighted with single-cut and rose diamonds, length approximately 545mm, French assay and indistinct maker's marks. Estimate: 100,000 - 150,000 CHF. Lot Sold: 350,500 CHF

Accompanied by SSEF report no. 64240, stating that the pearls were found to be natural, saltwater.

Sotheby's. Magnificent Jewels. Geneva | 14 Nov 2012 www.sothebys.com