Sotheby's. Magnificent Jewels and Jadeite, Hong Kong, 07 Oct 2019
Diamond Pendent Necklace
Lot 1815. 15.08 carats Type IIa Diamond Pendent Necklace. Estimate 7,600,000 — 10,000,000 HKD (969,684 — 1,275,900 USD). Courtesy Sotheby's.
Set with a pear-shaped diamond weighing 15.08 carats, suspending from a row of alternating step- and brilliant-cut diamonds, to the similarly-set clasp terminating on a pear-shaped diamond, mounted in 18 karat white gold, length approximately 635mm, two extra links each length approximately 25mm.
Accompanied by GIA report no. 5201272979, dated 13 May 2019, stating that the 15.08 carat diamond is D Colour, Internally Flawless; further accompanied by a diamond type classification report stating that the diamond is determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.