A colored diamond and diamond brooch. Photo Christie's Image Ltd 2013

Designed as a flower, set with a cushion-cut fancy brown-pink diamond, weighing approximately 3.60 carats, with circular-cut diamond petals and leaves, accented by a cluster of old mine-cut diamond buds, to the baguette-cut diamond stem, mounted in platinum. Estimate $100,000 – $150,000

With report 15704961 dated 8 March 2007 from the Gemological Institute of America stating that the diamond is fancy brown-pink, natural color, SI1 clarity

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