An emerald and diamond ring, mounted by Cartier. Photo Christie's Image Ltd 2012

The square cut-cornered emerald claw-set to stepped baguette-cut diamond shoulders, raised on a plain hoop. Signed Mtd. Cartier. Estimate £40,000 - £60,000. Price Realized £121,250 ($195,091)

Accompanied by report no.65597 dated 29 October 2012 from The Swiss Gemmological Insitute (SSEF), stating the emerald has indications of clarity modification, with minor amounts of oil in fissures, origin Colombia 

Christie's. Important Jewels. 12 December 2012 . London, King Street