A color treated diamond and diamond ring

the modified rectangular-cut pink-brown diamond within a frame of round brilliant-cut pink diamonds and further frame of round brilliant-cut diamonds, with micro pavé-set diamond shoulders and gallery; mounted in platinum and eighteen karat gold. (round pink diamonds not tested for origin of color) - Estimate: $25,000 - 35,000

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Bonhams. Fine Jewelry, 14 Oct 2008. San Francisco, Los Angeles and New York - www.bonhams.com