Fine Fancy Light Pink diamond ring. Photo Sotheby's.

The round brilliant fancy light pink diamond weighing 10.11 carats, claw-set between tapered baguette diamond shoulders, size 49, together with an eternity band set with brilliant-cut diamonds, size 50, signed Boucheron, French assay mark, and an additional gold band, size 511/2, bands unillustrated. Estimation 450,000 — 715,000 CHF

Accompanied by GIA report no. 5151865929, stating that the diamond is Fancy Light Pink, Natural Colour, VS2 Clarity.

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