The color and clarity of the diamond ring generally refers to the color and clarity of the diamond. In colorless diamonds, the top color is D color, D-G is a colorless level, G-J is a nearly colorless level, and it is yellow from below K, so the diamond color is best to choose above the nearly colorless level. Diamond clarity is a measure of defects indicators, diamond clarity grading from high to low: FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2, P1, P2, P3, the best choice of SI1 or more.