There are 11 diamond color grades, namely D E、F、G、H、I、J、K、L、M、N。 Grade D is completely colorless; Grade E is colorless and can only be distinguished with the help of special machines; F-grade belongs to the colorless grade, slightly inferior to E-grade; G-H grade is close to colorless, and yellow elements cannot be seen with the naked eye; I-J grade, visible to the naked eye with a small amount of yellow element; K-N level, yellow elements can be observed with the naked eye.
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.