This dynamic ring does not have a gold mark but was tested with nitric acid and a "kee" tester to be 14k solid yellow gold. It weighs 13.0 grams. The ring holds a combination of oval and round colorful natural opals. The 9 ovals have an approx total weight of 6.50 cts. The 9 rounds have an approx total weight of 1.25 cts. Also throughout the ring are 10 round brilliant cut natural diamonds with an approx total weight of .30 cts. The opals have no cracks or chips and the diamonds are SI1 and H to I. The ring wears to a size 7.25 and can be resized.