12.32 carats Kashmir sapphire and diamond ring. Estimate 295,000 — 485,000 CHF (278,302 - 457,548 EUR). Photo  Sotheby's.

The cushion-shaped sapphire weighing 12.32 carats, set between trapeze-shaped diamond shoulders, size 52.

Accompanied by SSEF report no. 78154 and Gübelin report no. 15010279, stating that the sapphire is of Kashmir origin, with no indications of heating, together with a Gübelin information sheet.

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