Lot 419. Very fine 15.34 carats sugarloaf Kashmir sapphire and diamond ring, Van Cleef & Arpels. Estimate 720,000 — 1,200,000 CHF (658,020 - 1,096,699 EUR). Photo Sotheby's

Set with a sugarloaf sapphire weighing 15.34 carats, framed with brilliant-cut diamonds, the shoulders decorated with similarly cut stones, size 521/2, signed Van Cleef & Arpels, numbered, French assay and maker's marks.

Accompanied by SSEF report no. 80460 and Gübelin report no. 15060203, each stating that the sapphire is of Kashmir origin, with no indications of heating.