Lot 473. Impressive natural pearl and diamond necklace from an European princely family. Estimate 295,000 — 585,000 CHF. Lot sold 838,000 CHF. Photo  Sotheby's.

Composed of a row of natural pearls measuring from approximately 5.15 to 12.20mm, alternating with seed pearls, on a pinched collet-set circular-cut diamond clasp, length approximately 640mm.

Illustrated with five additional cultured pearls which have been subsequently removed.

Accompanied by SSEF report no. 79509, stating that forty four pearls were found to be natural, saltwater, and one was found to be natural, freshwater.

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