Excellent Cut Diamond Proportions Gia

But reports do contain an assessment of the diamond s polish and symmetry. Diamond cut grade is based on a number of factors including symmetry polish brilliance and fire. Ensure the symmetry and polish of the diamond are either excellent or.

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Full color 8 page booklet.

Excellent cut diamond proportions gia.

And a simplified proportion. You might have heard about the fact that the exact diamond proportions determine the cut of a diamond. A description of its shape and cutting style. Most people are satisfied and feel safe in purchasing a diamond w gia excellent cut grade.

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

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. Gia uses a 5 grade hierarchy for 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.

This is exactly what you are looking for in a beautiful diamond. Excellent very good good fair and poor. Non standard round brilliant cut diamonds. Gia diamond cutting grades for round diamonds range from excellent to poor.

For the most brilliance and beauty only consider round brilliant diamonds with an excellent cut. It will therefore exhibit a lot of sparkle brilliance and scintillation.