Excellent Cut Diamond Proportions Gia

Full color 8 page booklet.

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. Non standard round brilliant cut diamonds. It will therefore exhibit a lot of sparkle brilliance and scintillation. Most people are satisfied and feel safe in purchasing a diamond w gia excellent cut grade.

Gia uses a 5 grade hierarchy for cut. This is exactly what you are looking for in a beautiful diamond. You might have heard about the fact that the exact diamond proportions determine the cut of a diamond. Gia diamond cutting grades for round diamonds range from excellent to poor.

A description of its shape and cutting style. 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. For the most brilliance and beauty only consider round brilliant diamonds with an excellent cut. 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.

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. Excellent very good good fair and poor. 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.

And a simplified proportion. Diamond cut grade is based on a number of factors including symmetry polish brilliance and fire.