This simplified evaluation chart of diamond quality summarizes the 4 cs of diamond quality grading which determine value.
Printable gia diamond grading chart.
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.
Since no two diamonds will ever have the same internal color patterns you need a diamond color scale and clarity chart to make it through this diamond world.
Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader.
Diamond color scale and clarity chart.
Every diamond certified by the gia undergoes a thorough independent evaluation.
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 developed the definitive diamond color scale or.
Color clarity cut and carat weight.
Gia diamond grading scales.
Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades.
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.
Gia reports represent the highest standard of reliability consistency and integrity.
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.
Official gia color scale.
The four c s of quality by vaughn aubuchon.
Full color 8 page booklet.
Print gia s diamond buying guide 4cs guide to understanding diamond quality february 11 2013 here is a printable diamond buying guide designed to help anyone shopping for a diamond understand the 4cs of diamond quality.
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.
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.
This report includes all the important 4cs grading results as the diamond grading report but does not include the plotted diagram.
It also discusses how to use facetware online to obtain a more accurate estimate of a cut grade.
Download the charts in word xps rtf pdf and psd formats.
Here you will learn how gia diamond grades are established and how those grades affect the diamond s price.