Lot 156. A single strand natural pearl necklace. Estimate CHF 400,000 - CHF 500,000 (USD 403,123 - USD 503,903). Price realised CHF 1,051,500(USD 1,066,957). © Christie's Images Ltd 2017

The single-strand composed of seventy-nine graduated natural pearls, measuring approximately 11.70-6.20 mm, to the ball-shaped clasp, 67.0 cm, mounted in gold

Accompanied by report no. 90910 dated 14 March 2017 from the SSEF Swiss Gemmological Institute stating that the 79 pearls are saltwater natural pearls.

Christie's. Magnificent Jewels, 17 May 2017, Geneva