Lot 69. A three-strand natural pearl, cultured pearl and diamond necklace. Estimate CHF720,000 – CHF960,000 ($757,709 - $1,010,279). Price realised CHF 2,165,000. © Christie's Image Ltd 2015.

Composed of sixty-four, sixty and fifty-five natural pearls and two cultured pearls, measuring approximately 12.2 to 5.3 mm, to the single-cut diamond-set clasp, mounted in gold, shortest row 48.2 cm, in green leather Sabbadini pouch . Clasp signed Sabbadini 

Accompanied by report no. 77236 dated 31 October 2014 from the SSEF Swiss Gemmological Institute stating that 179 pearls are natural saltwater pearls and that 2 pearls are beaded saltwater cultured pearls 

Christie's. GENEVA MAGNIFICENT JEWELS, 13 May 2015, Geneva