Lot 1670. A 10.39 carats Type IIa diamond ring. Estimate 5,900,000 — 7,500,000 HKD. Lot Sold 6,700,000 HKD. © Sotheby's
Set with a cushion-shaped diamond weighing 10.39 carats, to the tapered baguette diamond shoulders, mounted in platinum. Ring size: 5¾
Accompanied by GIA report numbered 1176350814, dated 13 March 2017, stating that the 10.39 carat diamond is D Colour, VVS1 Clarity; further accompanied by 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.
Sotheby's. Magnificent Jewels and Jadeite, Hong Kong, 03 oct. 2017, 01:30 PM