Sapphire and diamond ring, 1980s
Set with an octagonal sapphire weighing 6.44 carats, shouldered by brilliant- and baguette-cut diamonds, size 52, French assay mark for platinum, gross weight approximately 13.31 grams.
Accompanied by Gübelin report no. 0404037 and by SSEF report no. 102311 stating that the sapphire is of Kashmir origin, with no indications of heat treatment.