The Heart Diamond shape is one of the rarest and is currently considered the most popular of all Fancy Diamond shapes. Heart shaped diamonds are a modified version of the Round Diamonds. Because they reflect lots of light, the color of a heart shaped diamond is harder to distinguish than it is in a diamond with a large table, such as an Other Diamonds. Heart Diamonds often cost more than other Fancy Diamonds of the same weight because of Heart Shape cutting. Heart cut diamonds price generally about 20% to 25% less than Rounds Cut Diamonds. Heart-cut diamonds generally cost about 15% to 20% less than rounds.