This is a very nice Estate Diamond solitaire. It is .40CT and has a very nice surround. Unlike many of these rings from the 1940's they have elected to make the Diamond fit right up to the end of the surround. So instead of having a Diamond and then white gold or Platinum around the Diamond to make it appear larger, this is all Diamond. This stylish Solitaire is 0.40CT of G-H color and SI2 clarity. The ring weighs 2.1 grams and is currently size 7. A wonderful Estate find.