How much of a difference is there between a diamond that rates "excellent" on the cut advisor vs. a diamond that rates "good" to the naked eye?
Is there an obvious difference in "sparkle"?
Does an "excellent" graded diamond always have brilliance no matter what kind of lighting there is?
Is there an obvious difference in "sparkle"?
Does an "excellent" graded diamond always have brilliance no matter what kind of lighting there is?