Lot 264. 16.51 carats Fancy intense yellow diamond ringEstimate 285,000 — 385,000 CHF. Photo: Sotheby's

Set with a cut-cornered rectangular modified brilliant-cut fancy intense yellow diamond weighing 16.51 carats, between triangular diamond shoulders, size 51.

Accompanied by GIA report no. 5171056093, stating that the diamond is Fancy Intense Yellow, Natural Colour, VS2 Clarity.

Sotheby's. Magnificent Jewels and Noble Jewels, Sessions 1 and 2, Genève, 16 mai 2017, 10:30 AM