Color (Color): to colorless as the best and the deeper tone, quality worse. In the colorless diamond color grading, gucci the top color is D color, turn down arranged to Z. D ~ G is a colorless-level, G ~ J is nearly colorless levels, from K down louis vuitton on the collection and wear little or no meaning. Select drill, try to select the color H and above, I ~ J are near colorless, although the level of the area, but also be seen to be a trace of the number of yellowish. With colored diamonds,chanel such as red, pink, green and blue and so on, belong to the diamond in the treasure is very expensive. Among them, the most valuable red diamond.