Christie's, Hong Kong, May 2001

Lot 1740 Set of Sapphire and Diamond Cluster Jewellery

Comprising a ring, set with a cushion-shaped sapphire weighing 6.55 carats, in a circular-cut diamond cluster surround, with a pair of matching earrings, each set with a cushion-shaped or oval-cut sapphire weighing 3.08 and 3.22 carats, mounted in 18K white gold.

With three certificates from the GRS Gemresearch Swisslab stating that the gemmological testing revealed characteristics corresponding to those of natural sapphires from Burma with no indication of thermal treatment.