A black opal and diamond pendant-necklace

the pendant centering a black opal, surrounded by round brilliant-cut diamonds, surmounted by a floral motif centering a rectangular-cut diamond in a round brilliant-cut diamond leaf surround; suspended from an omega collar; mounted in fourteen karat gold; length: 17 1/2.- Estimate: $6,000 - 8,000 - Unssold.

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