At this time an overall cut grade for non standard round brilliant diamonds or fancy shaped diamonds such as rectangular oval or square is not available on gia grading reports.
Excellent cut diamond proportions gia.
A description of its shape and cutting style.
For the most brilliance and beauty only consider round brilliant diamonds with an excellent cut.
But reports do contain an assessment of the diamond s polish and symmetry.
Ensure the symmetry and polish of the diamond are either excellent or.
It will therefore exhibit a lot of sparkle brilliance and scintillation.
Non standard round brilliant cut diamonds.
However if the proportions of a diamond are.
It also discusses how to use facetware online to obtain a more accurate estimate of a cut grade.
You might have heard about the fact that the exact diamond proportions determine the cut of a diamond.
And a simplified proportion.
If you have a stone with perfect diamond proportions the diamond will refract the light in an excellent way.
Gia uses a 5 grade hierarchy for cut.
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.
Gia s approach to diamond cut grade is a proportion based quality system and relies upon a 2 dimensional system to determine a diamond s cut grade.
Excellent very good good fair and poor.
This is exactly what you are looking for in a beautiful diamond.
Most people are satisfied and feel safe in purchasing a diamond w gia excellent cut grade.
Full color 8 page booklet.
