A diamond, ruby and enamel orchid brooch. Photo Christie's Image Ltd 2013

Designed as an orchid, centering upon a cabochon ruby and old mine-cut diamond center with a pink, blue and cream-colored enamel blossom and purple enamel petals with black enamel spots, to the pavé-set rose-cut diamond stem, mounted in silver and gold. Estimate $10,000 – $15,000

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