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A black jadeite, ruby, coloured diamond and diamond butterfly brooch

The wings set with four black jadeite plaques and brilliant-cut diamond highlights, outlined by coloured diamonds of yellow hue, the body set with an oval cabochon ruby and brilliant-cut diamond cluster, the reverse carved with foliate detail, mounted in white and yellow gold, ruby approximately 1.20 carats, coloured diamonds 2.10 carats, brooch length 6.0cm. Estimate: HK$80,000 - 120,000, $10,000 - 15,000. Unsold

Accompanied by a report from the Hong Kong Jade & Stone Laboratory, stating that the selected plaque is natural jadeite and no resin was detected. Report number KJ 41721, dated 12th March 2009.

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