Lot 2072. An important 20.33 carats unmounted Type IIa diamond. Estimate HKD 21,500,000 - HKD 25,500,000 (US$2,750,000-3,250,000). © Christie's Images Ltd 2017

The circular-cut diamond, weighing approximately 20.33 carats

Accompanied by report no. 1172356599 dated 24 January 2017 from the GIA Gemological Institute of America stating that the diamond is D colour, Flawless clarity, with excellent cut, polish and symmetry; and a Diamond Type Classification letter stating that the diamond has been determined to be Type IIa

Christie's. Hong Kong Magnificent Jewels, 30 May 2017, Convention Hall