Sotheby's, New York, December 2008

Lot 189 Cabochon Ruby and Diamond Ring

The oval cabochon ruby weighing 21.83 carats, flanked by 2 trapeze-shaped diamonds weighing approximately 1.95 carats, mounted in platinum, size 6½.

Accompanied by GRS report no. GRS2008-042207 stating that the ruby is of Burmese origin; enhancement by heat.