An important fancy coloured diamond and diamond ring. Photo Bonhams.

The radiant-cut fancy vivid yellow diamond, weighing 10.00 carats, within a tiered surround of brilliant-cut diamonds, to a split shank, ring size 6. Estimate HK$ 3.9 million - 5 million (€360,000 - 470,000)

Accompanied by a GIA report stating the diamond is natural Fancy Vivid Yellow colour and VVS1 clarity. Report number 5151792750, dated 6 December 2013.

Bonhams. FINE JEWELLERY & JADEITE. Hong Kong, Admiralty, 21 May 2014 - www.bonhams.com