Excellent very good good fair and poor.
Diamond cut grade excellent.
How gia grades diamond cut quality for round diamonds.
Gia uses a 5 grade hierarchy for cut.
Gia diamond cutting grades for round diamonds range from excellent to poor.
Ideal and excellent are the highest cut grade obtainable from ags and gia respectively.
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.
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.
The golden rule is to choose excellent ideal cut diamonds to achieve superb sparkle.
This short video explains the gia cut scale and how gia classifies round brilliant cut diamonds with a cut grade ranging from excellent to poor by factoring in a range of parameters including the diamond s proportions culet size girdle thickness polish and symmetry descriptions.
Whenever available use the certificate s cut grade over and above the retailers branded cut grade i e.
If you are searching for a round brilliant diamond only search for ideal excellent grade diamonds.
Diamond cut grade is based on a number of factors including symmetry polish brilliance and fire.
And a diamond with an excellent cut has to have excellent or at least very good symmetry as well.