Sapphire and diamond ring, Graff. Photo Sotheby's.

The step-cut sapphire stated to weigh 10.04 carats, set within a frame of baguette diamonds, the shoulders decorated with similarly cut stones, size 511/2, signed GRAFF. Estimation 45,000 — 65,000 CHF

Sotheby's. Magnificent Jewels and Noble Jewels, Genève | 13 mai 2014 - http://www.sothebys.com/