Natural pearl and diamond necklace. Photo Sotheby's.

Designed as two graduated rows of natural pearls measuring from approximately 4.25 to 10.70mm, the clasp set with circular-cut and baguette diamonds,length of shortest row approximately 380mm, signed Cartier, indistinctly numbered, French assay marks. Estimation 185,000 - 365,000 CHF

Accompanied by SSEF report no. 69919, stating that one hundred and two pearls were found to be natural, saltwater, and that one pearl was found to be natural, freshwater.

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