The colorless diamonds are judged with an alphabetic scale that indicates their degree of colour, from D by way of Z. For these diamonds, the much less color they have (D is taken into account the best grade about this category), the greater helpful they're. Nonetheless, coloured diamonds get put into certainly one of nine classes to describe the caliber of their color. The lighter shades match into either faint, very light, gentle, fancy mild, or fancy. As soon as the colour starts to accentuate, will probably be categorized as either fancy dark, fancy intense, fancy deep, or fancy vivid. The plethora of specific colors out there includes blue, brown, inexperienced, gray, orange, pink, and yellow. There are additionally red diamonds, but these would be the rarest color. As well as the depth degree and also the primary coloration from the diamond, a coloured diamond could also have completely different hues or secondary colors.