Fine sapphire and diamond ring, Koenig Design
Set at the centre with a sugarloaf cabochon sapphire weighing 14.19 carats, to an open work mount pavé-set throughout with brilliant-cut diamonds, size 53, signed Koenig, fitted case.
Accompanied by SSEF report no. 64324 and Gübelin report no. 12090118, each stating that the sapphire is of Kashmir origin, with no indications of heating.