Gia Diamond Grading Chart Pdf

Gia issues the diamond grading report for loose natural diamonds only weighing 0 15 carats or more.

Gia diamond grading chart pdf.

Every diamond certified by the gia undergoes a thorough independent evaluation. Gia diamond grading scales. Here you will learn how gia diamond grades are established and how those grades affect the diamond s price. With report check you can quickly and conveniently confirm that the information on your report matches what is archived in the gia report database.

This chart summarizes the main concepts of the gia cut grading system for round brilliant diamonds that was introduced by the gia laboratory in january 2006. And now gia report check is available for all gia reports providing you with an additional level of assurance. 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. A nonprofit educational resource for the gem and jewelry industry.

Gia developed the definitive diamond color scale or. The universal measure of quality march 14 2013 the prospect of purchasing a diamond may seem daunting but through gia an unbiased authority on diamonds you have several handy resources to help you select the highest quality diamond. The chart is intended to provide information to help members of the jewelry trade better understand the attributes of diamond appearance and how these are evaluated within the gia cut. In this post you can learn about and download the official gia color scale work with an interactive diamond color chart to see the relationship between grades and colors and watch a useful gia diamond color grading video to see how gia evaluates diamond color.

Locations in los angeles and carlsbad california as well as new york city. For standard round brilliant cut diamonds falling in the d to z color range. Full color 8 page booklet. Gia reports represent the highest standard of reliability consistency and integrity.

The gia diamond grading report includes an assessment of the 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. Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader. Gia diamond grading report. Official gia color scale.

Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades. It also discusses how to use facetware online to obtain a more accurate estimate of a cut grade.