Excellent Cut Diamond Proportions Gia

Ensure the symmetry and polish of the diamond are either excellent or.

Excellent cut diamond proportions gia. 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 very good good fair and poor. Non standard round brilliant cut diamonds. Gia cut grade estimation tables for standard round brilliant cut diamond explains how to locate a particular proportion combination and determine whether it is close to a boundary in the cut grading system.

For the most brilliance and beauty only consider round brilliant diamonds with an excellent cut. Gia diamond cutting grades for round diamonds range from excellent to poor. Gia uses a 5 grade hierarchy for cut. A description of its shape and cutting style.

This is exactly what you are looking for in a beautiful diamond. It will therefore exhibit a lot of sparkle brilliance and scintillation. 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. 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.

Full color 8 page booklet. Most people are satisfied and feel safe in purchasing a diamond w gia excellent cut grade. But reports do contain an assessment of the diamond s polish and symmetry. You might have heard about the fact that the exact diamond proportions determine the cut of a diamond.

If you have a stone with perfect diamond proportions the diamond will refract the light in an excellent way. However if the proportions of a diamond are.