Lot 2073. The Jonker V. An exclusive 25.27 carats Type IIa diamond ring, by Harry Winston. Estimate HKD 17,500,000 - HKD 28,000,000 ( US$2,200,000-3,500,000). Price realised HKD 40,860,000. © Christie's Images Ltd 2017 Set with a rectangular-cut diamond,...