How are 3-carat lab-grown diamonds made?
Laboratory-grown diamonds, including 3-carat diamonds, are created using two main methods: high-pressure high-temperature (HPHT) and chemical vapor deposition (CVD). 1. High pressure and high temperature (HPHT) diamond forming: The HPHT diamond manufacturing method involves placing small diamond seeds (usually natural diamonds) into a carbon-rich environment along with a diamond growth catalyst. The environment is then …