Is HPHT or CVD better for lab-grown diamonds?
Both HPHT (High Pressure High Temperature) and CVD (Chemical Vapor Deposition) methods can produce high-quality lab-grown diamonds, and which method is better depends on the specific needs and preferences of the buyer. HPHT diamonds are created by placing a small diamond seed in a high-pressure, high-temperature environment and using a metal catalyst to dissolve carbon …