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Unless you are a certified gemologist, you may not be able to type a diamond, but a gemologist can.

From Wikipedia,

"Diamond type is a method of scientifically classifying diamonds by their level and type of chemical impurities. Diamonds are separated into four types: Type Ia, Type Ib, Type IIa, and Type IIb. The impurities measured are at the atomic level within the crystal lattice of carbon atoms and so, unlike inclusions, require an infrared spectrometer to detect."

You can read more about types of diamonds, below.

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12y ago

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