White gold ring with sapphires and diamonds

Ring in 18 carat white gold with an oval, natural and untreated blue sapphire of 1.47 ct (with certificate) in the center and on either side a bow shape of white gold set with two small brilliant-cut diamonds. In the middle of each bow a pear-shaped blue sapphire. French maker's mark. Ring size 17.5 (can be adjusted if necessary).

France, circa 1980