The Art Deco Ring is marked platinum and weighs 4.5 grams. Set at the top is a round European cut natural diamond. It measures 5.8 mm x 5.8 mm x 3.4 mm which makes it approx .70 cts. It is a Si1 K/L color. There are a total of 4 round single cut natural diamonds on the sides. They have an approx total weight of .14 cts. The ring wears to a size 6 and can be resized.