Lot 53. An Impressive 11.24 carats Kashmir Sapphire and Diamond Ring, circa 1920. Estimate 300,000 — 500,000 USD. Lot sold 999,000 USD. Courtesy Sotheby's2018.
Set with a cushion-cut sapphire weighing 11.24 carats, accented by numerous single-cut diamonds, size 6¼; circa 1920.
Accompanied by Gübelin report no. 18032002 stating that the sapphire is of Kashmir origin, with no indications of heating.