The eternity ring has 28 round single cut natural diamonds completely around the ring with an approx total weight of .85 cts. They range from SI3 to I 1 and H to J in color. The ring is 2.5 mm thick. It wears to a size 7 1/4 and cannot be resized. The ring does not have a gold mark but was tested with nitric acid and a "kee" tester to be solid white gold. It weighs 2.8 grams. It is in nice condition.