Christie's, Hong Kong, November 2000

Lot 1732 An Impressive Gem-Set Necklace. Cabochon Ruby 7.9 cts.

Designed as two black leather cords suspending a pear-shaped ruby cabochon weighing 7.90 carats, an emerald bead weighing 8.48 carats and rose-cut diamonds, terminating in a large sapphire cabochon stated to weigh 86.70 carats., each with pav-set diamond shoulders, length adjustable.
With certificate GRS2000-03003 from the GRS Gemresearch Swisslab stating that the ruby is of Burmese origin, no indication of thermal treatment; certificate CS 34061 from the American Gemological Laboratories stating that the emerald would be classified as Colombian and exhibits evidence of faint to moderate clarity enhancement (Oil Type Treatment?Canadian Balsam); and certificate 92006402 from the AGTA Gemological Testing Center stating that the sapphire is of Burmese origin with no indication of enhancement by heat
HK$ 1,600,000-2,400,000
US$ 200,000-300,000