What is meant by a diamond's 'brilliance'?

What is meant by a diamond's 'brilliance'?

John Cordova (Vice President of Human Resources, Robbins Bros.) gives expert video advice on: What does a diamond's 'carat weight' mean?; What does a diamond's 'clarity' mean?; What is the diamond clarity grading system? and more...

A diamond's brilliance refers to the white light. As light goes into the diamond, it reflects, it bounces from facet to facet, and shoots back out at you unbroken, undispersed, and that's brilliance. It's simply white light returning to the viewer's eye from the diamond.