Christie's, New York, April 2010

Lot 89 A Ruby and Diamond Ring

Set with an octagonal-cut ruby, weighing approximately 9.14 carats, flanked on either side by a rectangular-cut diamond, weighing approximately 1.72 and 1.70 carats, mounted in gold and platinum

With report GRS2008-021059 dated 31 January 2008 from the GRS GemResearch SwissLab stating that gemmological testing revealed characteristics corresponding to those of a natural ruby from Siam (Thailand). Enhanced by heat (no residues present)