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A sapphire ring

centering a cushion-cut sapphire, weighing 6.75 carats, flanked by calves-head-cut diamond shoulders; mounted in platinum; size: 6 1/2. Estimate: $18,000 - 25,000 - Unsold.

Bonhams. Fine Jewelry, 16 Dec 2008. San Francisco, Los Angeles and New York. Copyright © 2002-2009 Bonhams 1793 Ltd., Images and Text All Rights Reserved