Here you will learn how gia diamond grades are established and how those grades affect the diamond s price.
Printable gia diamond grading chart.
This short video explains the gia clarity scale and how gia classifies diamonds with a clarity grade ranging from flawless to i 3 by using a 10x magnification loupe and a microscope to see and plot the diamond s inclusions.
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.
Diamonds are graded in color from d for colorless through to z for light color.
Download the charts in word xps rtf pdf and psd formats.
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.
Gia developed the definitive diamond color scale or.
Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader.
This report includes all the important 4cs grading results as the diamond grading report but does not include the plotted diagram.
Gia cut grade estimation tables for standard round brilliant cut diamond explains how to locate a particular proportion combination and determine whether it is close to a boundary in the cut grading system.
Gia reports represent the highest standard of reliability consistency and integrity.
Full color 8 page booklet.
With report check you can quickly and conveniently confirm that the information on your report matches what is archived in the gia report database.
It also discusses how to use facetware online to obtain a more accurate estimate of a cut grade.
This simplified evaluation chart of diamond quality summarizes the 4 cs of diamond quality grading which determine value.
Official gia color scale.
The gia diamond dossier is a more concise compact version of the gia diamond grading report and is available for diamonds that weigh between 0 15 and 1 99 carats.
F if vvs1 vvs2 vs1 vs2 s1 s2 s3 i1 i2 i3 f flawless is best followed by internally flawless followed by very very small.
Every diamond certified by the gia undergoes a thorough independent evaluation.
Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades.
Color clarity cut and carat weight.
Gia diamond grading scales.
Diamond color scale and clarity chart.
And now gia report check is available for all gia reports providing you with an additional level of assurance.