Lot 316. From a noble family. Natural pearl and diamond necklace. Estimate 39,000 — 58,000 CHF. Lot sold 454,000 CHF. Photo Sotheby's.

Designed as a graduated line of natural pearls measuring from approximately 4.95 to 14.05mm, the clasp accented with two circular-cut diamonds, length approximately 410mm.

Accompanied by an SSEF report no. 79542, stating that the forty-three pearls were found to be natural, saltwater.

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