Sotheby's, New York, December 2005

Lot 145 Red Spinel and Diamond Ring

The cushion-shaped spinel weighing 10.38 carats, flanked by 2 half-moon-shaped diamonds, mounted in platinum and 18 karat gold, size 6 ¼.

Accompanied by GRS report no. 2005-050901 stating that the stone is natural spinel.