Lot 170. A 18.94 carats diamond ring, by Chopard. Estimate CHF 900,000 - CHF 1,200,000 (USD 907,026 - USD 1,209,368). Price realised CHF 1,039,500 (USD 1,054,781). © Christie's Images Ltd 2017

Set with a rectangular cut-cornered diamond, weighing approximately 18.94 carats, to the pavé-set diamond gallery and hoop, ring size 6, mounted in gold. Signed Chopard, nos. 20064 and 3292039 820650

Accompanied by report no. 5182188175 dated 23 February 2017 from the GIA Gemological Institute of America stating that the 18.94 carat diamond is D colour, VVS2 clarity.

Christie's. Magnificent Jewels, 17 May 2017, Geneva