Glittering Stones » About Diamond » Diamond Classification
Types Of Natural Diamond Classification
This is a most common type of natural diamond containing 0.3% nitrogen. 98% of diamonds are of this type and almost they will be either in yellow or brown in color.
Type 1b contains 500 ppm of nitrogen. These types of diamonds are very rare and they are available at yellow, orange, green or brown in colors.
Type 2a is the rare natural diamond containing little nitrogen and is almost free from all forms of impurities. This type is purest form of diamond and commonly colorless.
This is a rare type of natural diamond containing very little amount of nitrogen. Type 2b diamonds will be in bluish color and amounts of 0.1% of all diamonds are taken together.