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https://www.gemsociety.org/jewelry-lapidary/grading-gemstones-and-diamonds/
The GIA modern diamond cut grading method is the most widely accepted in the industry. Our step-by-step guide covers the tools and techniques you’ll…. Traditional Diamond Cut Grading Methods. Traditional diamond cut grading methods prepare …
https://www.americangemsociety.org/buying-diamonds-with-confidence/ags-diamond-grading-system/
The AGS 0–10 Diamond Grading System The AGS 0–10 grading scale is easy to understand: the highest possible grade is zero, and the lowest is 10.
https://4cs.gia.edu/en-us/4cs-diamond-quality/
Jul 28, 2021 · GIA created the first, and now globally accepted standard for describing diamonds: Color, Clarity, Cut and Carat Weight. Today, the 4Cs of Diamond Quality is the universal method for assessing the quality of any diamond, anywhere in the world. The creation of the Diamond 4Cs meant two very important things: diamond …
https://4cs.gia.edu/en-us/blog/gia-diamond-grading-scales/
Mar 14, 2013 · GIA Diamond Grading Scales: 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.
https://www.withclarity.com/education/diamond-education/diamond-color
In the letter-grade diamond color scale, D (colorless) is the highest and best grade, and Z is the lowest. Diamond used to be graded like gemstones on a range that included AAA, AA, A, and B, so the new scale started at D to avoid confusion. This color chart shows how the color of a diamond changes visually across the scale.
https://www.lumeradiamonds.com/diamond-education/index
Here you will learn how GIA diamond grades are established, and how those grades affect the diamond's price. Each of the four C's (Carat Weight, Cut, Color, Clarity) is accompanied by a diamond chart illustrating the differences between grades. After learning more, if you need to see diamonds in person, visit your local jewelry store.
https://www.lumeradiamonds.com/diamond-education/diamond-color
The GIA grades diamonds on a scale of D (colorless) through Z (light color). All D-Z diamonds are considered white, even though they contain varying degrees of color. True fancy colored diamonds (such as yellows, pinks, and blues) are graded on a separate color scale.
https://www.brilliance.com/education/diamonds/color
Diamond color grade is typically determined with the diamond face down and the culet facing up set against a pure white surface, following a grading scale of D (colorless) to Z (faint yellow).
https://jewelrydesigns.com/diamonds/diamond-chart/
Diamond Chart. By Robert Underhill. Below is a diamond chart with a rating system that will help you to evaluate stones of specific color and diamond clarity combinations. This diamond chart compares diamonds starting with the most prized color D, (colorless) and balances them with diamonds …Estimated Reading Time: 7 mins
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