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Lot 166. Property of Betsy Bloomingdale. A 29.01 carats pear brilliant-cut diamond ring, by Harry Winston. Estimate $1,300,000 - USD 1,800,000. Photo Christie's Image Ltd 2016.

 Set with a pear brilliant-cut diamond, weighing approximately 29.01, flanked on either side by three tapered baguette-cut diamonds, ring size 7 1/4, mounted in platinum 

Accompanied by report no. 1172850159 dated 7 September 2016 from the GIA Gemological Institute of America stating that the diamond is F color, VVS2 clarity

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