A sapphire and diamond ring, early 20th century

A sapphire and diamond ring, early 20th century, of square outline, set with an octagonal sapphire weighing 1.81 carats, within a border of cushion-shaped diamonds, mounted in white gold, size L, stamped 18CT

Accompanied by SSEF report no. 129618, dated May 24th 2023, stating that the octagonal-cut sapphire weighing 1.81 carats is of Kashmir origin, with no indications of heat treatment