Type IIa Diamonds

Diamond type is a method of scientifically classifying diamonds, both grown and mined, by the level and type of their chemical impurities.Type IIa colorless diamonds are purer, and rarer than 98% of diamonds mined from earth.

Type lla diamonds are almost or entirely devoid of impurities. A colorless Coltura Lab Grown Diamond is classified as type IIa that is considered to be the purest form of diamond known to man