Examing transparency under ultraviolet radiation, diamond categorized into two types. Further sub-categorized based on carbon and impurity atoms in the structure. Called as Type Ia diamond, Type Ib diamond, Type IIa diamond & Type IIb diamonds. Pronounced as “Type-one-a”, “Type-one-b”, “Type-two-a” and “Type-two-b” diamonds. Don’t confuse it with alphabet “i”. Diamond type categorized with the … Read more What is diamond Type Ia, Ib, IIa & IIb?