A yellow sapphire and colored diamond brooch

in the form of a butterfly, pavé-set throughout with yellow sapphires, accented by black diamond detail and yellow diamond antennas; estimated total yellow sapphire weight: 7.00 carats; estimated total diamond weight: 4.00 carats; mounted in eighteen karat gold. (yellow diamonds not tested for origin of color). Estimate: $3,000 - 5,000

Bonhams. Fine Jewelry, 20 Apr 2009. New York, San Francisco and Los Angeles www.bonhams.com (Copyright © 2002-2009 Bonhams 1793 Ltd., Images and Text All Rights Reserved)