Cultivated diamonds are synthesized in the laboratory, which has the same physical properties, chemical composition and crystal structure as natural diamonds. At present, the main synthetic methods of gem grade diamond are high temperature and high-pressure synthesis (HPHT synthesis) and chemical vapour deposition (CVD).
Lab diamonds are produced in the laboratory. Advanced science and technology and equipment are used to restore the environment in which natural diamonds are formed in the laboratory. Tiny diamond seeds are used to induce the natural crystallization of diamonds. In this way, diamonds with the same physical, chemical, atomic, optical and other properties as natural diamonds can be cultivated in the laboratory
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