An emerald and diamond ring

centering a pear-shaped emerald within a cluster surround of baguette, marquise and round brilliant-cut diamonds; emerald weighing approximately: 4.95 carats; estimated total diamond weight: 3.75 carats; mounted in eighteen karat white gold. - Estimate: $3,000 - 5,000

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