What is a 'marquise cut' diamond?

What is a 'marquise cut' diamond?

John Cordova (Vice President of Human Resources, Robbins Bros.) gives expert video advice on: What is a 'round brilliant cut' diamond?; What is a 'pear cut' diamond?; What is a 'marquise cut' diamond? and more...

The marquise cut diamond, also known as the navette cut in some instances, is shaped kind of like a football. It's rounded in the middle with two points at the end. It's very brilliant in the centre with light not returning as effectively on the corners.