Lot 195. A diamond ring weighing approximately 16.09 carats, by Harry Winston. Estimate CHF 940,000 - CHF 1,400,000. Price realised CHF 1,445,000. © Christie's Image Ltd 2013

Set with a cut-cornered rectangular-cut diamond, weighing approximately 16.09 carats, to the tapered baguette-cut diamond shoulders, mounted in platinum, ring size 4¾. Signed Winston for Harry Winston

Accompanied by report no. 8714864 dated 15 July 2013 from the GIA Gemological Institute of America stating that the diamond is D colour, VVS2 clarity, a working diagram indicating that the clarity of the diamond is improvable, and a Diamond Type Classification letter stating that the diamond is Type IIa.

Christie's. MAGNIFICENT JEWELS. Geneva, 12 November 2013