VVS VS HPHT Diamonds 16 Carat To 4 Carat Man Made Diamond

Jul 04, 2022
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VVS VS Clarity HPHT Rough Lab Grown Diamonds Created From HPHT Diamond Seed By HPHT Method HPHT Lab Grown Diamonds Description Diamonds are the hardest material in nature. Lab-grown rough diamonds are synthesized in a few weeks, while the development of natural diamonds takes billions of years. In the laboratory, there are two main processes for the manufacture of lab grown rough diamonds. 1. High pressure and high temperature (HPHT) The laboratory simulates the high