Diamond Cut Rating Tool

Every diamond certified by the gia undergoes a thorough independent evaluation.

Diamond cut rating tool.

Here you will learn how gia diamond grades are established and how those grades affect the diamond s price. 2 0 and get smaller diamond when hca score is 2 0. Holloway cut adviser is a tool to find the performance of round cut diamond and used to estimate cut quality. American gem society taking cut grading to a higher level.

Diamond cut beauty is in the eye of the beholder. Hca does not use symmetry polish and minor facets. 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. 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.

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. 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. When gia developed its diamond cut grading system it conducted tens of thousands of observations of real diamonds. Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades.

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. Cut grade should be a primary consideration when evaluating a diamond.