The gia diamond color scale is the leading industry standard of diamond color grading. There are six categories on the gia diamond chart with color grades that range from absolutely colorless to light in color. Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader.
diamond color and clarity chart
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Diamond color and clarity chart.
Every diamond certified by the gia undergoes a thorough independent evaluation.
Diamonds come in a variety of colors some of them highly prized pinks blues even yellow.
A jewelers loupe is used to examine the diamond clarity under 10x magnification and assign a grade.
Here you will learn how gia diamond grades are established and how those grades affect the diamonds price.
Each of the four cs carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades.
The less body color in a white diamond the more true color it will reflect and thus the greater its value.
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When gemologists inspect diamonds for clarity they use a maximum of 10x magnification and only judge the diamond face up.
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So the larger the diamond you buy the higher the color and clarity grades you should look for.
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 diamonds inclusions.
Cut color clarity and carat.
A stone much larger than one carat should usually have a clarity of vs2 or higher and preferably a color grade around g or h.
Before this was the standard other color grading scales used a b and c so gia started their scale at d to avoid confusion.
The diamond color evaluation of most gem quality diamonds is based on the absence of color.
In determining a clarity grade the gia system considers the size nature position color or relief and quantity of clarity characteristics visible under 10 magnification.
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It is easy to misunderstand how diamond clarity differs between the naked eye and under a jewelers loupe at 10x magnification.
However in a white diamond the presence of a yellow tint will lower the price of a diamond.
A chemically pure and structurally perfect diamond has no hue like a drop of pure water and consequently a higher value.
The gia clarity scale contains 11 grades with most diamonds falling into the vs very slightly included or si slightly included categories.
If an inclusion is not visible when the diamond is viewed from the top then it cannot be used in determining the clarity grade.
Diamond clarity chart understanding is critical when buying a diamond.
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