Lot 2060. Important 16.44 carats, D colour, Internally Flawless clarity, Type IIa diamond ring. Estimate HKD 9,500,000 - HK$15,000,000  (US$1,200,000-1,900,000). © Christie's Image Ltd 2019 

Cut-cornered rectangular step-cut diamond of 16.44 carats, circular-cut diamonds, gold, ring size 6 (illustrated unmounted).

GIA, 2019, report no. 12376258: 16.44 carats, D colour, Internally Flawless clarity, Type IIa

Christie's. Hong Kong Magnificent Jewels, Hong Kong, 28 May 2019