Cut: the Ideal Cut
The type and shape of cut proportions, symmetry, and outer marks are taken into consideration when grading a diamond’s cut. You should look for a stone that has the “Fine Brilliant Cut.” The following table shows the terms and definitions for grading according to cut of brilliants under 1.00 carat.
Very Good Exceptional brilliance: few and only minor outer marks
Good Good brilliance: some outer marks
Medium Slightly less brilliance: some larger outer marks.
Poor, Less brilliance: large and many outer marks.
Diamonds are cut in several different shapes: Round, Pear, Marquise, Emerald, Square, Trillion, and others.