What are the typical grain sizes of the polycrystalline Diamond? - Lab Grown Diamond Manufacturer

What are the typical grain sizes of the polycrystalline Diamond?

What are the typical grain sizes of the polycrystalline Diamond?

Usually, the grain size is in the sub-micron range at the beginning of diamond growth. With increasing thickness, the grains grow larger. Usually, the grain size at the growing surface of a diamond film is about 10 % of the film thickness.