Lot 351. Fine 11.64 carats no heating Kashmir sapphire and diamond ring. Estimate 830,000 — 1,160,000 CHF. © Sothebys 2018

Accompanied by SSEF report no. 92649 and Gübelin report no. 18030058, both stating that the sapphire is of Kashmir origin, with no indications of heating, the SSEF report together with an appendix letter.