A ruby and diamond ring. Photo Christie's Image Ltd 2013

Designed as a floral cluster, centering upon a cabochon ruby weighing approximately 8.82 carats, to the pear-shaped diamond petal surround and circular-cut ruby pistils weighing approximately 0.53 carat total, mounted in platinum, ring size 5. Price Realized $500,917

Accompanied by report no. 13036106/1 to 3 dated 28 March 2013 from the Gübelin Gemmological Laboratory stating that the 8.82 carat ruby and the rubies weighing 0.53 carat total is of Burma (Myanmar) origin, with no indications of heating 

Also accompanied by report no. 6145802076 dated 27 March 2013 from the Gemological Institute of America stating that the 8.82 carat natural ruby and the natural rubies weighing 0.53 carat total are of Burma (Myanmar) origin, with no indications of heating and the color appearance of the rubies is described in the trade as "pigeon's blood" 

Christie's. HONG KONG MAGNIFICENT JEWELS.28 May 2013. Convention Hall - http://www.christies.com