A Vintage Sapphire and Diamond Platinum Engagement Ring

French, circa 1920’s

The ring features an emerald-cut midnight blue 7.59 ct natural sapphire

surrounded by 22 Swiss cut sparkling white diamonds (estimated total weight 1 carat).

The shank is struck with a dog’s head French platinum mark.

Height – 20 mm (13/16 in.)

Size – 8 (18 mm)