Lot 1751. Fancy Intense Purplish Pink Diamond weighing 4.31 carats and Diamond Ring. Estimate: 8,700,000-10,000,000 HKD. Lot sold 7,920,000 HKD (1,010,275 USD). Courtesy Sotheby's.

Set with a cut-cornered square modified brilliant-cut fancy intense purplish pink diamond weighing 4.31 carats, between trapeze-cut diamonds, mounted in platinum and 18 karat white gold, size 6. 

Accompanied by GIA report no. 2183082670, dated 23 December 2016, stating that the diamond is Fancy Intense Purplish Pink, Natural Colour.