Diamond Cut Grades Gia

And a simplified proportion.

Diamond cut grades gia.

The gia diamond grading report includes an assessment of a diamond s 4cs color clarity cut and carat weight along with a plotted diagram of its clarity characteristics and a graphic representation of the diamond s proportions. For standard round brilliant cut diamonds falling in the d to z color range the report also includes a. Non standard round brilliant cut diamonds. In this blog we cover.

For diamonds without a gia cut grade because the diamond was certified before gia began assigning cut grades in 2005 or is a shape that gia does not currently assign cut grades to lumera will apply its own cut grade according to a proprietary formula. A description of its shape and cutting style. What goes into a gia diamond cut grade. The gia cut grading system introduced in 2005 and validated by thousands of observations by retailers manufacturers and the public who looked at real diamonds and described why they thought certain diamonds were the best looking can help you understand what to look for in a well cut diamond.

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. A gia diamond cut grade is key to knowing how well your round brilliant diamond will sparkle. Diamond cut quality and why it s important. Like gia the lumera cut grade is based on a variety of factors and is conservatively applied.

But reports do contain an assessment of the diamond s polish and symmetry.