Gia Diamond Cut Grades

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.

Gia diamond cut grades.

A description of its shape and cutting style. Let s cover some essentials so you can pick the perfect round brilliant diamond engagement ring. Gia created the 4cs color clarity cut and carat weight as a universal method for establishing the quality of any diamond anywhere in the world. 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.

And a simplified proportion. It also discusses how to use facetware online to obtain a more accurate estimate of a cut grade. Non standard round brilliant cut diamonds. For standard round brilliant cut diamonds falling in the d to z color range the report also includes a.

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 gia diamond cut grade is key to knowing how well your round brilliant diamond will sparkle. But reports do contain an assessment of the diamond s polish and symmetry. The 4cs means two very important things.

The gia diamond cut scale for standard round brilliant diamonds in the d to z diamond color range contains 5 grades ranging from excellent to poor and is the definitive scale for classifying diamond cuts. Cut is the most complex of a diamond s 4cs. Full color 8 page booklet. Like gia the lumera cut grade is based on a variety of factors and is conservatively applied.