This original Art Deco ring Does not have a gold mark but was tested with nitric acid and a "kee" tester to be 14k solid white gold. It weighs 5.2 grams. The top of the ring is square in shape and measures 1/2" x 1/2". Set in the center is a round 3.8 mm European cut natural diamond with an approx weight of .20 cts. The center diamond is surrounded by 8 round single cut natural diamonds with an approx total weight of .16 cts. The diamonds are VS 1 TO VS 2 and H color. The ring wears to a size 5 and can be resized.