A natural pearl and diamond necklace, by M. Gérard. Photo Christie's Image Ltd 2012

Of V-shaped design, with two lines of graduated baguette and brilliant-cut diamonds, suspending at the front five drop-shaped natural grey pearls, with diamond trefoil surmount, mounted in gold, 38.0 cm. Signed M. Gérard. Estimate CHF250,000 - CHF350,000

Accompanied by report no. 64306 dated 2 August 2012 from the SSEF Swiss Gemmological Institute stating that the pearls are natural saltwater pearls, with no indications of colour modification