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Lot 165. Natural pearl and diamond necklace. Estimate 125,000 — 250,000 CHF. Photo: Sotheby's

Composed of a graduated row of natural pearls measuring from approximately 3.60 to 9.25mm, the clasp millegrain-set with a marquise-shaped diamond, length approximately 1000mm..

Accompanied by SSEF report no. 93610, stating that the one hundred and eighty-six pearls were found to be natural, saltwater.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 15 nov. 2017, 10:30 AM