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A CVD diamond cutting stylus is a high-precision tool used in the production of vinyl records. CVD, or Chemical Vapor Deposition, is a process used to create synthetic diamonds with exceptional purity and hardness. The CVD diamond stylus is crafted from these lab-grown diamonds, offering superior durability and precision compared to natural diamond alternatives. Mounted on a cutting lathe, the stylus vibrates in response to audio signals, etching a spiral groove into a blank vinyl disc that accurately replicates the sound waves. The exceptional hardness and sharpness of CVD diamond ensure finely detailed grooves, resulting in high-quality audio reproduction when the record is played back on a turntable.