How gia grades diamond cut quality for round diamonds.
Diamond cut grade excellent.
Diamond cut grade is based on a number of factors including symmetry polish brilliance and fire.
Cut grade is the most important factor in determining the overall appearance of a diamond because a poorly cut diamond will seem dull even with excellent clarity and color.
Ideal and excellent are the highest cut grade obtainable from ags and gia respectively.
If you are searching for a round brilliant diamond only search for ideal excellent grade diamonds.
Most people are satisfied and feel safe in purchasing a diamond w gia excellent cut grade.
That said i would advise you to go for a very good symmetry grade.
Gia uses a 5 grade hierarchy for cut.
And a diamond with an excellent cut has to have excellent or at least very good symmetry as well.
Excellent very good good fair and poor.
Gia diamond cutting grades for round diamonds range from excellent to poor.
Conversely a well cut diamond can have a slightly lower color g h or clarity si1 si2 and still look quite beautiful due to its superior ability to create sparkle and.
Whenever available use the certificate s cut grade over and above the retailers branded cut grade i e.
For the most brilliance and beauty only consider round brilliant diamonds with an excellent cut.