A natural pearl and diamond ring, by JAR. photo: Christie's Images Ltd 2012

The pavé-set diamond hoop suspending a slightly grey drop-shaped natural pearl, weighing approximately 54.32 grains, with a diamond-set cap, 2007, ring size 3¼, with French assay mark for platinum.. Sold for $391,709 on $40-59,000 estimate

Accompanied by report no. 61993 dated 6 February 2012 from the SSEF Swiss Gemmological Institute stating that the pearl is a natural saltwater pearl with no indications of artificial colour modification 

Christie's. Jewels for Hope: The Collection of Mrs Lily Safra 14 May 2012 Geneva