8.37 carats Type IIa Pear-shaped Diamond Ring. Estimate 4,800,000 — 5,500,000 HKD (540,758 - 619,619 EUR). Photo Sotheby's.

Set with a pear-shaped diamond weighing 8.37 carats, to a pavé-set brilliant-cut diamond shank, mounted in platinum. Ring size: 6½

Accompanied by GIA report numbered 5121637903, dated 27 September 2010, stating that the 8.37 carat diamond is D colour, Internally Flawless clarity; also accompanied by diamond type classification reports 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 & Jadeite Hong Kong, 06 avr. 2015, 01:00 PM