Here is a guide to what various sizes of Round Brilliant cut Diamonds would look like on a hand. The finger size is N 1/2 and please remember that each diamond has unique proportions and that this is only indicative.
Half Carat Diamond - 0.50ct.
One Carat Diamond - 1.00ct.
One and a half Carat Diamond - 1.5ct.
Two Carat Diamond - 2.00ct.
Two and a half Carat Diamond - 2.5ct.
Three Carat Diamond - 3.00ct.
