Lot 458. Natural pearl and diamond necklace. Estimate 39,000 — 59,000 CHF. Lot sold 1,450,000 CHF. Photo  Sotheby's.

Composed of a graduated row of light greyish brown to brown and brownish grey natural pearls, measuring from approximately 4.70 to 14.85mm, on a barrel clasp set with brilliant-cut diamonds, clasp signed V.C.A., numbered, French assay and maker's marks, one diamond deficient.

Accompanied by SSEF report no. 79535, stating that the fifty-five pearls were found to be natural, saltwater, some with artificial colour modification.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 12 mai 2015, 10:30 AM