You are viewing a very fine quality 18K yellow gold wedding cake style dome ring made in the 1980's. The ring measures 19 mm or 3/4" long up the finger by 20 mm across. The ring sits up off the finger 14 mm or over 1/2". The ring has 3 layers of braided gold with white gold strips set with Diamonds. On top is a fine quality round Diamond weighing 0.20 points. The total Diamond weight is 1/3 of a carat. The ring is marked: 750 for 18K. There is a white gold plate on the inside of the bottom of the shank to keep the ring from rolling on the finger, see photo. The ring is a size 7 1/4 and can be re-sized. The ring weighs 10.8 grams.