5.07 carats Kashmir sapphire and diamond brooch-pendant, late 19th century. Estimate 130,000 — 180,000 GBP. Photo Sotheby's

Claw-set with a cushion-shaped sapphire weighing 5.07 carats within a double frame of circular-cut diamonds, brooch fitting detachable, hinged pendant bail.

Accompanied by Gübelin report no. 14100041 and SSEF report no. 81863, each stating that the sapphire is of Kashmir origin, with no indications of heating.

Sotheby's. Fine Jewels, London, 1 dec. 2015, 10:00 AM