Diamond h color is close to colorless level, leaning towards high-quality white, and is considered to be of relatively good quality in the diamond color range. Only when compared with higher quality diamonds will slight color deviations be observed, which is generally difficult to observe with the naked eye. GIA classifies diamonds into D, D, and D color levels based on the amount of yellow elements they contain E、F、G、H、I、J、K、M、N， The closer it is to level D, the better the diamond color.
Diamond color grade
D-level: The color of D-level diamonds is completely colorless, which is the highest level among diamond grades. However, diamonds of this grade are very rare, so the price is also very high.
E-grade: Colorless grade, consumers cannot see any difference with the naked eye. Only professional gemstone appraisers can distinguish the trace elements contained inside diamonds with the help of special machines, so they are also very rare.
F-grade: Both belong to the colorless grade, and jewelry appraisers can see almost no yellow elements, so it is also a high-quality diamond.
G-H grade: close to colorless grade, only by comparing with high-quality diamonds can the difference be seen, so the quality of diamonds is still very high.
I-J level: A small amount of yellow elements can be seen with the naked eye.
K-N level: The yellow element of diamonds can be observed with the naked eye and has no investment value.