Important natural pearl and diamond necklace - Photo Sotheby's

he graduated seven-strand necklace composed of natural pearls measuring from approximately 3.3 to 9.5mm, set to a clasp in the form of a double clip brooch set with circular-, single-cut and baguette diamonds, length approximately 660m. Estimation: 560,000 - 840,000 CHF

Accompanied by SSEF report no. 63658, stating that the nine-hundred and six pearls were found to be natural, saltwater.

Sotheby's. Magnificent Jewels. Genève | 14 nov. 2012 www.sothebys.com