69th BPSC Prelims (2023), question 10

🔬 Science & Technology

  1. In the context of lab-grown diamonds (LGDs), what is used as a diamond seed?

    1. White sapphire
    2. Moissanite
    3. Graphite
    4. Cubic zirconia (CZ)
    Show answer

    Answer: C — Graphite

    A thin slice of graphite (pure carbon) is used as the seed for growing lab diamonds.

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