A pair of emerald and diamond ear clips

Lot 283. Each set with an octagonal-cut emerald, weighing approximately 10.31 and 10.86 carats, within a circular-cut diamond surround, mounted in platinum - Estimate: $250,000-350,000
With reports 0706374 and 0706373 dated 3 July 2007 from the Gübelin Gem Lab stating that gemmological testing revealed characteristics consistent with those of emeralds originating from Colombia. Indications of minor clarity enhancement

Christie's. Magnificent Jewels. 11 December 2007. 20 Rockefeller Plaza, New York