A chrysoberyl cat's eye and diamond ring. Photo Bonhams

centering an oval cabochon chrysoberyl cat's eye within a surround of baguette-cut diamonds completed by shoulders of pavé-set round brilliant-cut diamonds; no. 18365; estimated total diamond weight: 2.00 carats; mounted in platinum; size 7 1/2 Sold for US$31,250
Note: the chrysoberyl weighs approximately 25.25 carats

Bonhams. Fine Jewelry, 13 Dec 2011. New York, California, Los Angeles and California, San Francisco www.bonhams.com