What is Excellent Cut?
Cut is a diamond’s most important factor. It determines a diamond’s proportions — its depth and the angles of its facets — which in turn affect how light bounces around in a diamond. An Excellent cut grade means that a diamond has been cut within parameters that allow the diamond to give off intense brightness, sparkle and fire, while having an even pattern of light and dark areas (scintillation). Poorly cut diamonds often have large light or dark patches that make the stone appear dull or uninteresting to the eye.