Diamond ring h color refers to the color of the diamond being nearly colorless, while h color is standard white. GIA's diamond color grading is an industry standard, starting from the letter D (representing colorless) and ranking up to the letter Z grading. The diamond color gradually decreases to light yellow and yellow.
Diamond color grade
Grade D: Completely colorless. The highest color level, extremely rare.
Grade E: Colorless. Only gemstone appraisers can detect trace colors. It is a very rare diamond
F grade: colorless. A small amount of color can only be detected by jewelry experts, but it is still considered colorless. Belonging to high-quality diamonds.
G-H grade: Almost colorless. When compared to higher grade diamonds, there is a slight color. However, diamonds of this color grade still have high value.
I-J grade: Almost colorless. Slight colors can be detected. High value.
K-M level: darker color, poor fire color.
N-Z level: darker color, poor fire color.
Diamond color comparison image:
