The original Art Deco ring is marked 18k and is solid white gold. It weighs 3.1 grams and has 4 European Cut Clean natural Diamonds with an approx total weight of .28 cts. The diamonds are clean and white. Set in the top center back to back are 2 trillion cut blue synthetic sapphires. The ring wears to a size 6 and can be resized . This is in great condition.