A fancy coloured diamond and diamond ring. Photo courtesy Bonhams

The radiant-cut fancy deep green-yellow diamond, weighing 5.02 carats, within a stepped border of brilliant-cut diamonds, the shoulders set with brilliant and square-cut diamonds, diamonds approximately 1.95 carats total, ring size 6. Estimate HK$ 1.55 million - 2.5 million (€150,000 - 240,000)

Accompanied by a GIA report stating that the diamond is natural, fancy deep green-yellow colour and of VS2 clarity. Report numbered 2155551421, dated 26 August 2013.

Bonhams. FINE JEWELLERY & JADEITE. Hong Kong. 23 Nov 2013