Lot 329. Magnificent 13.20 carats Internally Flawless fancy intense pink diamond ring. Estimate 8,850,000 — 13,780,000 CHF. Sold for CHF16,268,750 ($16,232,308). Photo: Sotheby's.

Set with a pear-shaped fancy intense pink diamond weighing 13.20 carats, size 52, illustrated unmounted. 

Accompanied by GIA report no. 5171637362, stating that the diamond is Fancy Intense Pink, Natural Colour, Internally Flawless, Excellent Polish.

Sotheby's. Magnificent Jewels and Noble Jewels, Geneva, 16 Nov 2016, 10:30 AM