The cocktail ring does not have a metal mark. It was tested with nitric acid and a "kee" tester to be 14k solid white gold. The ring weighs 12.8 grams. The top measures 3/4" in diameter. Set in the center is a round green natural peridot with an approx weight of 4.20 cts. The ring also holds 69 round brilliant cut natural diamonds. There are two halos around the peridot and A double row of diamonds down the sides. The ring wears to a size 8 and can be resized. the diamonds range from VS2 TO SI2 and H to I in color.