A coloured diamond and diamond ring. Photo Christie's Image Ltd 2014

Set with a marquise-cut fancy vivid yellow diamond weighing approximately 10.02 carats, flanked by trapeze and tapered baguette-cut diamonds, mounted in platinum and 18k yellow gold, ring size 6. Estimate HK$6,500,000 - HK$9,500,000 ($842,028 - $1,230,657). Price Realized: HK$8,440,000 ($1,093,341)

Accompanied by report no. 1132016167 dated 21 April 2011 from the Gemological Institute of America stating that the 10.02 carat diamond is fancy vivid yellow colour, VS2 clarity 

Christie's. HONG KONG MAGNIFICENT JEWELS, 27 May 2014, Convention Hall. http://www.christies.com/