This is a beautiful diamond ring with some really exquisite, colorless diamonds. There are 5-3mm diamonds with a 1/2+ctw. The band is platinum. It has been tested and is marked PLAT. The diamonds are very good quality, brilliant white, excellent color, E - F and clarity VVS. The ring is a size 4.5. It is 4.5mm tall in front. It makes a stunning pinky ring. The ring can be sized for an additional fee. This is a very fine, high quality vintage ring with some exceptionally nice diamonds. c1940.