A black opal and diamond ring

Of floral design, the oval black opal, weighing 10.72 carats, within a millegrain-set brilliant-cut diamond petal surround, mounted in platinum, diamonds approximately 4.00 carats total, ring size 6½.,Estimate: HK$300,000 - 400,000, $39,000 - 52,000. Unsold

Accompanied by a gem identification report. Report number 540539.

Bonhams. Fine Jewellery and Jadeite and Modern Wristwatches, 21 May 2009. Island Shangri-La Hong Kong Hotel, Admiralty, Hong Kong www.bonhams.com