There are two methods used to grow Lab Diamonds:
CVD (Chemical Vapour Deposition) – Lab Grown diamond seeds are loaded into a CVD reactor. Then, a mix of gasses containing carbon is added at a very low pressure. Microwaves are added to heat the gases and generate a plasma. When the temperatures climb over several thousand degrees, the gas molecules break apart and carbon atoms bond to the seeds, growing them one layer at a time.
HPHT (High Temperature High Pressure) – This method mimics the conditions under which diamonds naturally form. Large mechanical presses are used to apply extreme pressure and high temperature to carbon in the presence of a diamond seed. The seeds act as a template for a lattice of carbon to grow layer by layer over the course of a few days. While this method can be used to make lab made diamonds, it is not the preferred method as CVD is a more efficient production technology.
We can source Lab Grown CVD Diamonds from several reputable diamond labs and all diamonds come with a certificate of authenticity and guarantee.
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