Diamond Cut Grades Gia

For standard round brilliant cut diamonds falling in the d to z color range the report also includes a.

Diamond cut grades gia.

And a simplified proportion. Diamond cut quality and why it s important. A description of its shape and cutting style. 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.

Let s cover some essentials so you can pick the perfect round brilliant diamond engagement ring. Like gia the lumera cut grade is based on a variety of factors and is conservatively applied. 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. A gia diamond cut grade is key to knowing how well your round brilliant diamond will sparkle.

What goes into a gia diamond cut grade. 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. 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. Non standard round brilliant cut diamonds.

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