The grading of a diamond's color follows a scale ranging from D (representing colorlessness) to Z (indicating a light yellow or brown hue).

The most coveted diamonds are those with the highest degree of colorlessness, as they have the ability to transmit the greatest amount of light, resulting in remarkable brilliance. Nevertheless, diamonds exist in a multitude of colors, including exceedingly rare and valuable fancy colors such as pink, blue, and green, which are evaluated using a distinct grading system.

The color of a diamond plays a significant role in determining its price; diamonds with a higher degree of colorlessness command a greater value, except in the case of fancy colored diamonds, where deeper and more vibrant hues contribute to their worth.

Diamond Color Grading

The color is one of the primary factors in deciding a diamond's worth. The industry uses a color scale that ranges from D to Z. This scale measures the degree of colorlessness in a diamond, with D being the rarest and most valuable due to its lack of color, and Z being the most inexpensive as a result of its strong yellow tint.

  • D Color Diamonds: Absolutely colorless and extremely rare. Because of their purity and rarity, these diamonds are the most sought-after and command premium prices.
  • E-F Color Diamonds: Virtually colorless, with only minute traces of color. They are less expensive than D color diamonds but are still considered top-grade within the industry.
  • G-H Color Diamonds: Considered near-colorless. However noticeable when compared directly with diamonds of grades D-F. Great choice in regards to cost and quality.
  • I-J Color Diamonds: Might show a slight color when viewed with the naked eye, particularly when they are not mounted. They offer a good balance between cost and the absence of color.
  • K-L Color Diamonds: Often visible with a faint yellow hue, more evident in larger stones and certain cuts. Less costly and may appeal to those looking for a diamond with a warmer glow.
  • M-N Color Diamonds: More apparent, showing a noticeable yellow or brown tint. These diamonds are significantly less costly and are often complemented with a yellow gold setting.
  • O-P-Q-R Color Diamonds: An evident yellow or brown tint. Due to the visible color they may detract from the classic diamond appeal, making them less commonly used in jewelry.
  • S-T-U-V-W-X-Y-Z Color Diamonds: Clearly visible color, most commonly a dark yellow or brown shade. They are the most economical and are used in pieces where the color might be an asset to the design.

It's important to note that to get an accurate grade, a diamond should be assessed whilst unmounted compared against a white background and under the right lighting conditions. Additionally, the perceived color can be influenced by the diamond's cut, shape, and surrounding environment.


Pick and Choose Diamonds of all Colors Ranging from D to Z