Experienced gemologists use 10x magnification to identify and classify clarity characteristics by size type and position.
Diamond color chart grading diamond clarity scale.
Main image courtesy of john o hara.
A diamond with a clarity grade of 1 or 2 vvs1 or vvs2 has minute inclusions that are difficult for a skilled grader to see under 10x magnification.
Understanding the 4cs of diamond quality and diamond cut grading.
This color chart shows how the color of a diamond changes visually across the scale.
Colorless diamonds in this range have no color or very minute traces of color that can only be identified by trained gemologists.
One must remember that a clarity grade can be based on many different inclusion points within a diamond.
Like the color scale gia s clarity grading system developed because jewelers were using terms that could be misinterpreted loupe clean or piqué today even if you buy a diamond somewhere else in the world the jeweler will most likely use terms like vvs 1 or si 2 to indicate the clarity of a diamond even if his or her.
The less body color in a white diamond the more true color it will reflect and thus the greater its value.
Diamonds come in a variety of colors some of them highly prized pinks blues even yellow.
Clarity grading is a subjective process.
Trained gemologists identify the type size location and number of inclusions.
The table below is a rough guide for choosing a clarity grading for your weight of a diamond.
Official gia color scale.
Clarity comparison color.
If you found these variations of the diamond gia diamond clarity scale informative informally known as the clarity chart have a look at gia s blog posts that explain the 4cs of diamond quality.
Ags 3 or 4.
Vs very slightly included diamonds with a clarity grade of 3 or 4 vs1 or vs2 have minor inclusions.
They typically need to be compared.
Gemological labs such as gia and igi measure diamonds on a scale from included to flawless.
The diamond clarity rating or grade is an important factor to consider regardless of the size and shape of the diamond.
However in a white diamond the presence of a yellow tint will lower the price of a diamond.
Characteristics are mapped on a diamond plot which looks different for every diamond.
Gia developed the definitive diamond color scale or.
They determine the grade based on a couple of inclusions and assign the grade.
As with the poor vs2 sample above the diamond chosen for the sample picture of an si1 clarity inclusion is an extreme example chosen to show the maximum size and worst possible color of an si1.
In the color grading scale d is the highest color and z is the lowest.