The 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 1.8 grams. Set at the top is a pear shape natural diamond that measures 6 mm x 4.2 mm. That makes it approx  of .36 cts. The diamond is SI1 H color. Ring wears to a size 4 and can be resized.