"While traditional shapes such as round, oval, and cushion are still the most popular, [Charles & Colvard] have seen a bigger focus and demand for uniquely cut center stones such as radiant, emerald, and pear," says Watson.
Aside from emerald-cut diamonds, pear-shaped diamonds, and radiant cuts, other fancy shapes include the princess cut, marquise cut, heart-shaped stones, and cushion-cut
diamonds.
Fancy Stone Shapes and Cuts