The estate cougar ring does not have a metal mark but was tested with nitric acid and a "kee" tester to be 14k solid gold. It weighs 13.3 grams  and is 1/2" wide. The ring has 4 cougars full of natural diamonds. There are also diamonds along each edge. There are approx 175 diamonds with approx 2.00 cts total weight. They are round brilliant cuts ranging from si1 to a few I1S. The ring wears to a size 8 1/2 and cannot be resized.