A pink tourmaline and diamond ring

centering a cushion-shaped pink tourmaline within a surround, shoulders and gallery of round brilliant-cut diamonds, accented by half-moon diamond shoulders; estimated total diamond weight: 2.70 carats; mounted in platinum. - Estimate: $7,500 - 9,500

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