CVD (Chemical Vapor Deposition) is a diamond growth method where carbon atoms from a plasma of carbon-rich gas (methane or hydrogen) are deposited layer by layer onto diamond seeds in a vacuum chamber, creating larger colorless stones with lower energy costs and smaller equipment compared to traditional HPHT (High Pressure High Temperature) crushing methods.
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CVD Diamonds: Grow, Don't Crush Carbon for Gems #shortsAdded:
But instead of crashing carbon, CVD grows it. A diamond seeds seeds inside of the vacuum chamber. The chamber gets filled with a carbon rich gas, usually methane or hydrogen, and then heated until that gas turns into the plasma.
Carbon atoms rain down into the seeds layer layer by layer until you have to finish rough diamond. No giant press, smaller machines, lower energy cost, and you can grow much larger colorless stones than HPHT can produce economically.
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