Diamond Cut Rating Tool

When gia developed its diamond cut grading system it conducted tens of thousands of observations of real diamonds.

Diamond cut rating tool.

The overall beauty of a diamond lies in its cut quality but cut is the most difficult and complicated c to assess because many variables go into determining a cut grade. 2 0 and get smaller diamond when hca score is 2 0. As a diamond deviates further from having ideal light performance so does the numerical grading value as it starts increasing from 1 excellent 2 very good. Holloway cut adviser is a tool to find the performance of round cut diamond and used to estimate cut quality.

You will get a nice diamond if hca score is. Diamond cut beauty is in the eye of the beholder. Patent 7 251 619 is a rejection tool to help you narrow your search for only round diamonds potential light return fire scintillation and spread based on the rounded proportion information from a grading report. For a limited time the hca is now available free for all stones in our diamond search results just click on the hca column of the diamond.

Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades. Because cut grade provides a single rating which weighs the combined impact of all of the factors listed above on a diamond s visual performance it is a simple yet vital tool in evaluating a diamond. Cut grade should be a primary consideration when evaluating a diamond. American gem society taking cut grading to a higher level.

Ags diamond quality document ags was the first independent grading organization to utilize a numerical system in their reports with 0 being the highest grade. Every diamond certified by the gia undergoes a thorough independent evaluation.