In terms of color, diamonds are generally divided into two categories, colorless diamonds and colored diamonds; colorless diamonds are our common diamonds, generally proposed, and colorless diamonds are the most commonly used in marriage.
Aside from carat, the color of a diamond is almost the most important indicator when buying a diamond, as it is one of the most easily recognizable features of value with the naked eye. Other indicators of diamonds, such as clarity, turning, etc., require a magnifying glass to check the quality, but not the color, the difference can be detected by the naked eye. Completely colorless diamonds are rare, mostly brown and light yellow, and their color grades start from Diamond's "D" to "Z", which represent subtle color grade distinctions.
D color: The highest grade of diamond color, pure and colorless, it is perfect, it is the most rare existence, and it is very rare.
E color: high-quality colorless grade, ordinary people cannot see the color, only a small number of jewelry appraisal experts can identify.
F color: A high-quality colorless grade slightly lower than E, the color of which is difficult to detect unless a jewelry appraiser is expert.
G、H color: Although it is close to colorless, it has a slightly lighter yellow inside compared to colorless diamonds.
I、J color: Still nearly colorless, but with a slight yellow inside.
K、L、M color: Most people will clearly see the color, and the color itself is slightly dull, the level is low, and the fire and gloss are slightly worse.
N、R、S、Z color: The color is darker, showing a clear yellow color, and it is not suitable for processing diamond rings under normal circumstances.
Basically, any grade above G (i.e. D, E, F, G) can be considered a white diamond.
If you want to collect, you can consider D and E color.
​If it is daily wear, you can choose F, G, H, I, J color.