A cushion-shaped fancy yellow diamond and diamond ring

The cushion-shaped fancy yellow diamond, weighing 4.20 carats, within a two tiered surround, gallery and shoulders set with brilliant-cut diamonds, some of yellow hue, mounted in 18k white and yellow gold, ring size 6. Estimate: HK$320,000 - 420,000, $41,000 - 54,000. Unsold

Note: Accompanied by a certificate from GIA, stating that the 4.20 carats diamond is fancy yellow, natural colour and VS1 clarity. Report number 16389124, dated 8th November 2007.

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