Natural pearl, sapphire and diamond necklace. Photo Sotheby's.

Composed of three graduated rows of natural pearls measuring from approximately 3.50 to 9.50mm, the clasp set with an oval sapphire within a frame of cushion-shaped diamonds, shortest length approximately 104mm. Estimation 200,000 — 300,000 CHF

Accompanied by a gemmological report.

Sotheby's. Magnificent Jewels and Noble Jewels. Genève, 13 mai 2014 - www.sothebys.com