Princess Diamond is a good choice for their flexibility in setting in any style of Diamond ring. The Princess Diamond is known by its geometric, sharp square shape. It features contemporary cut, with angular, strong lines, it has a pyramidal shape, with four beveled sides. The princess cut technical name "square modified brilliant" is a diamond shape often used in engagement rings. The term was first used in 1960. Princess cut Diamonds also tend to have a significantly lower price per carat than round cut diamonds and other Diamonds Shape.