Lot 2070. An unmounted 21.97 carats, internally flawless clarity rectangular-cut fancy vivid yellow diamond, by Graff. Estimate HK$14,500,000 – HK$20,000,000 ($1,850,000-2,500,000). Photo Christie's Image Ltd 2016. 

The rectangular-cut fancy vivid yellow diamond, weighing approximately 21.97 carats

Accompanied by report no. 1132342335 dated 23 January 2015 from the GIA Gemological Institute of America stating that the diamond is fancy vivid yellow colour, internally flawless clarity, with excellent polish and symmetry 

Christie's. HONG KONG MAGNIFICENT JEWELS, 31 May 2016, Convention Hall