Lot 337. 19.30 carats Fancy intense yellow diamond ring, Cartier. Estimate 245,000 — 440,000 CHF (231,132 - 415,095 EUR). Lot sold 778,000 CHF. Photo: Sotheby's

The cut-cornered rectangular modified brilliant fancy intense yellow diamond weighing 19.30 carats, set between triangular near colourless diamond shoulders, size 50, signed Cartier, numbered.

Accompanied by GIA report no. 2175084777, stating that the diamond is Fancy Intense Yellow, Natural Colour, VVS1 Clarity.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 12 mai 2015, 10:30 AM