Lot 1679. Impressive 45.08 carats Fancy Intense Yellow Diamond and Diamond Brooch. Estimate 6,500,000 — 7,800,000 HKD. Lot Sold 8,500,000 HKD. © Sotheby's

Set with a cut-cornered square modified brilliant-cut fancy intense yellow diamond weighing 45.08 carats, embellished with circular-cut, marquise- and pear-shaped diamonds weighing approximately 11.00 carats in total, mounted in 18 karat yellow gold.

Accompanied by GIA report numbered 5253421195, dated 5 April 2017, stating that the 45.08 carat diamond is natural, Fancy Intense Yellow Colour, VS1 Clarity.