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Lot 284. An important 18.37 carats diamond ring, by Sabbadini. Estimate USD 1,000,000 - USD 2,000,000. Price Realised USD 1,147,500 © Christie's Images Ltd 2016.

Set with a cut-cornered rectangular step-cut diamond, weighing approximately 18.37 carats, flanked on either side by two tapered baguette-cut diamonds, ring size 4 1/2, mounted in platinum. Signed Sabbadini

Accompanied by report no. 6177816064 dated 18 August 2016 from the GIA Gemological Institute of America stating that the diamond is F color, VVS2 clarity, accompanied by a working diagram indicating that the clarity of the diamond is potentially Internally Flawless

01376b0fd2025045ba33f588183d7327

Lot 283. An impressive 34.56 carats fancy intense yellow diamond ringEstimate USD 700,000 - USD 1,000,000. Price Realised USD 895,500© Christie's Images Ltd 2016.

Set with a cut-cornered square modified brilliant-cut fancy intense yellow diamond, weighing approximately 34.56 carats, ring size 4 3/4, mounted in platinum and 18k gold 

Accompanied by report no. 2175816084 dated 18 August 2016 from the GIA Gemological Institute of America stating that the diamond is fancy intense yellow, natural color, VS1 clarity

Christie's. Magnificent Jewels, 7 December 2016, New York, Rockefeller Plaza