Lot 9208. 8.31 carats Fancy Vivid Yellow Diamond and Diamond Ring. Estimate 2,300,000 — 3,000,000 HKD. Lot Sold 2,620,000 HKD. Photo: Sotheby's

Set with a square emerald-cut fancy vivid yellow diamond weighing 8.31 carats, to the gallery embellished with diamonds of yellow tint, enhanced by circular-cut diamond-set shoulders, mounted in 18 karat white and yellow gold. Ring size: 5½, illustrated unmounted.

Accompanied by GIA report numbered 6187413711, dated 30 May 2017, stating that the 8.31 carat diamond is natural, Fancy Vivid Yellow Colour, VS1 Clarity.