The pendant does not have a gold mark but was tested with nitric acid and a "Kee" tester to be 14k solid yellow gold . It weighs 5.2 grams and measures 1 1/2" x 7/8" without the bale. The cross holds 135 round brilliant cut natural diamonds with an approx total weight of 2.00 cts. They range from SI1 to SI3 and H to I in color. The loop at the top will accommodate up to a 4 mm chain. The cross is in nice condition.