Lot 336. Magnificent 17.07 carats VVS1 Clarity step-cut fancy intnse pink diamond ring. Estimate 11,810,000 — 14,760,000 CHF. Sold for CHF20,825,000 ($20,778,352). Photo: Sotheby's.

Set with a step-cut fancy intense pink diamond weighing 17.07 carats, between triangular diamonds weighing 3.07 and 3.13 carats respectively, size 51. 

Accompanied by GIA report no. 5172885524, stating that the diamond is Fancy Intense Pink, Natural Colour, VVS1 Clarity, together with a working diagram stating that the diamond may be internally flawless after minor repolishing.

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