Harro Gem custom princess cut moissanite features an inverted pyramid shape that reflects light beautifully to create a sparkling piece of fine jewelry. Because of its elevated brilliance, square-shaped princess cut stones are one of our most popular shapes for engagement rings, earrings, pendants and more. You can be sure that your princess moissanite will fit your setting because each Harro Gem stone is custom cut to order by trained professionals. This stone is available in 11 different sizes. These range from 4 millimeters all the way up to 10 millimeters.