Ideal
This is the rarest cut grade and reflects the most light.
Excellent
This cut grade reflects a high level of craftsmanship and light performance.
Very Good
This cut grade reflects nearly as much light as an Excellent cut grade, but for a lower price.
Good
This cut grade reflects most of the light that enters the diamond, but not as much as a Very Good cut grade.
Fair
This cut grade may appear dull or even glassy, and is very inexpensive.
Poor
This cut grade is not carried by Collier's Jewelers and is typically not recommended.