The bright finished mounting has an Art-Deco design and it is circa 1930. Bezel set in the center of the ring is a 2.57 ct. (9.62 x 7.55 x 4.18 mm) oval faceted natural blue sapphire that is of very good color and quality. Bead set in the ring are a total of 108 approximate .015 ct. full cut diamonds that are VS in clarity, G-H provisional in color, and have an approximate 1.65 ct. total weight.