Rare sapphire and diamond ring - Sotheby's

Claw-set with a cushion-shaped sapphire weighing 14.07 carats between trapeze-shaped diamond shoulders, size 51. Estimate:  660,000 – 860,000 CHF

Accompanied by Gübelin report no. 11097024 and AGL report no. CS42316-1, each stating that the sapphire is of Kashmir origin, with no indications of heating.

The extraordinary 14.07 carat sapphire described in AGL report no. 42316 is one of these rarities from the remote region of Kashmir. In this particular case, the combination of size, origin and quality elements for the sapphire described in this report signifies a gem worthy of distinction.’  Excerpt from the American Gemological Laboratories Letters, 6th September 2011.  

Sotheby's. Magnificent Jewels and Noble Jewels. Genève | 14 mai 2013 - www.sothebys.com