This lab grown diamonds cut is captivating due to its whimsical shape that resembles a smile. This cut has elliptical shape with pointed ends featuring 58 facets. Marquise lab created diamond cut is popular with different names as football-shaped cut, eye-shaped cut, boat-shaped cut or the navette. Engagement ring of marquise shape diamonds best compliments long slender fingers. If you are trying to maximise the perceived size of the diamond, this man made diamond cut is a preferred choice as it has the largest crown surface area.