Lot 200. A natural pearl, sapphire and diamond necklace. Estimate CHF440,000 – CHF700,000 ($452,500 - $719,886). Photo Christie's Image Ltd 2016

The single-strand composed of thirty-nine natural pearls, measuring approximately 13.70 to 7.50 mm, to the oval-cut sapphire and rose-cut diamond double cluster clasp, 42.0 cm, mounted in platinum and gold

Accompanied by report no. 84557 dated 10 March 2016 from the SSEF Swiss Gemmological Institute stating that the 39 pearls are saltwater natural pearls.

Christie's. GENEVA MAGNIFICENT JEWELS, 18 May 2016, Geneva