Why does a diamond's color grade start with "d"?

Gilberto Hahn asked a question: Why does a diamond's color grade start with "d"?
Asked By: Gilberto Hahn
Date created: Thu, Mar 25, 2021 4:18 PM

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Those who are looking for an answer to the question «Why does a diamond's color grade start with "d"?» often ask the following questions:

👉 How does gia grade color in fancy colored diamonds?

GIA’s fancy color grading system is based on 3 main attributes: tone, hue and saturation. Hue refers to the primary color of the diamond such as pink, yellow, blue, brown etc…. In total, GIA recognizes 27 different hues and each of these hues has a range of possible colors.

👉 What color grade is best for diamonds?

G-J (Near Colorless) Diamond Color

Near colorless diamonds, (G, H, I, and J grades,) are the best value in diamonds. G color is just one step down from the truly Colorless tier, so it still appears very colorless.

👉 What is a good color grade for diamonds?

While white diamonds receive a grade of D to Z, based on the yellow or brown tint present, fancy color diamonds are graded on the intensity of its color. Instead of a letter, the grade for fancy color diamonds go from “Faint” to “Fancy Deep.” The color scale is as such:

10 other answers

When men and women really start looking into diamond grading, a common question is, “Why does the GIA color grade start with a D?” GIA’s grading scale begins with the letter D, representing colorless, and continues, with increasing presence of color, to the letter Z. Diamonds are color-graded by comparing them to stones of known color under controlled lighting and precise viewing conditions.

Brown or yellow diamonds that have more intense color than Z on the grading scale are considered "fancy colors". These diamonds are graded by a separate system entirely and this same system is typically used for grading colored gemstones like rubies, sapphires, and emeralds. Sarah Harris works in marketing for online jewelry website Adiamor.

So, the creators of the GIA Color Scale wanted to start fresh, without any association with earlier systems. Thus the GIA scale starts at the letter D. Very few people still cling to other grading systems, and no other system has the clarity and universal acceptance of the GIA scale.

The GIA D-to-Z Color Scale allows for precise measurement of diamond color. Illustration: GIA. GIA’s D-to-Z Color Scale is used to measure the degree of colorlessness of a diamond. The letter “D” represents a colorless diamond, with each following letter representing a diamond that has slightly more yellow or brown.

Diamonds are graded on an alphabetic scale according to increasing increments of body color (usually yellow), starting at D (colorless) and progressing to Z (light yellow). In the normal range the most important portion of the grading scale is the “colorless” (DEF) and “near-colorless” range (GHIJ).

The GIA Diamond Color Chart or Scale. GIA Diamond Grading Reports and GIA Diamond Dossiers® depict a chart called the GIA Diamond Color Scale, showing the 23 grades for diamonds that fall within the D-to-Z color range. This is a reference tool for you to use to see how your diamond’s color grade falls within the scale.

The GIA color grading scale from D – Z. When diamonds are color graded in the laboratory, they are flipped over and assessed based on the absence of color in the face down view. They are then assigned a corresponding grade from an alphabetical scale of D-Z. The D grade represents a diamond with completely no color and an icy white appearance.

Diamonds with more depth of color than Z color fall into the fancy color diamond range. Grading begins with the letter D, (omitting A, B, C) to ensure that there is no confusion with any of the previous terminology that was used prior to the standardization of the color grading scale.

Diamond Color Grade: Description: D: D is the highest color grade, meaning it has nearly no color. Under magnification and to the naked eye, a D color diamond will appear colorless. D color diamonds are usually set in platinum or white gold, as yellow gold and other jewelry settings detract from the diamond’s uncolored beauty. Diamonds with a D color grade are the most rare and expensive on the market, with a significant price premium over other color grades.

When diamonds are graded for color, the scale which is used is based on the Latin letters ranging from D to Z. D being the purest colorless color and as you go down the scale the diamond gets a yellow tint.

Your Answer

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How does gia grade d-to-z diamonds?

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Are their pink color diamonds?

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What are d color diamonds?

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What are e color diamonds?

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What are i color diamonds?

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What are j color diamonds?

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