Natural pearl and diamond necklace, five cultured pearls. Photo Sotheby's

Composed of three strands of graduated natural pearls and five cultured pearls, measuring from approximately 4.50 to 9.60mm, to a clasp of bow design set with a button-shaped baroque natural pearl, tapered baguette, circular- and single-cut diamonds, length of shortest row approximately 475mm. Estimate 115,000-170,000 CHF

Accompanied by SSEF report no. 60990 stating that two hundred (200) pearls are saltwater natural pearls and that five (5) pearls are cultured pearls.

Sotheby's. Magnificent Jewels, Geneva | 15 Nov 2011 www.sothebys.com