An emerald and diamond ring. Photo Christie's Image Ltd 2013

Set with an oval cabochon emerald, weighing approximately 19.71 carats, to the circular, single and baguette-cut diamond shoulders, mounted in platinum. Numbered 14072. Estimate $100,000 – $150,000

With report CS 39763 dated 25 June 2008 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the emerald would be classified as Classic Colombia. It is the opinion of the Laboratory that the emerald exhibits evidence of faint to moderate clarity enhancement

Christie's. NEW YORK MAGNIFICENT JEWELS AND THE PRINCIE DIAMOND. 16 April 2013. New York, Rockefeller Plaza.