Beautiful vintage sterling marcasite and peridot dress ring size 7

A beauty circa 1950's marcasite and peridot large dress ring face measures 1.5" tall x 7/8" wide
Diamond shaped featuring 9 marquis cut peridot stones prong set surrounded by 34 marcasite stones beautifully made in good condition a real statement piece
Band has a split shaft 1/8" thick
Hallmarked 925 77
Size 7
Weighs 9.9 grams