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What are the benefits of CVD diamonds?
2022-12-13 17:23:57
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Generally, the CVD process produces lab grown diamonds of a high clarity and col
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Generally, the CVD process produces lab grown diamonds of a high clarity and colour but it’s good to finish the process with HPHT to bring out the best in the diamond. The CVD process is also less energy intensive, producing more competitively priced diamonds.
crystal lattice
Ultimately, the main differences between HPHT diamonds and CVD diamonds are that they have different diamond growth patterns. If inspected closely with microscope,an expert of lab diamonds would be able to tell the differences between HPHT and CVD diamonds by looking at the crystal structure of them.
Growth surface of CVD and HPHT diamonds
HPHT diamonds grow in a cuboctahedron shape and have 14 different growth directions, while a CVD diamond has a cubic shape and only one growth direction. This can sometimes cause a CVD diamond to show evidence of strains(stress distribution), but this is rare and only can be seen under extremely high microscope.
Growth surface of CVD,HPHT and natural diamonds
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