Asked by big gieger
DIAMOND SPECIFIC GRAVITY
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Answered by
GPT-5 mini
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Specific gravity (SG) of diamond: about 3.51 (commonly quoted 3.50–3.53).
That means diamond is ~3.51 times as dense as water (≈3.51 g/cm³ at room temperature).
Quick notes:
- Measured by hydrostatic weighing: SG = mass in air / (mass in air − mass in water).
- Small variations come from impurities, inclusions or porosity; synthetic and natural diamonds are essentially the same range.
- For comparison: graphite ≈ 2.27 g/cm³, corundum (ruby/sapphire) ≈ 4.0 g/cm³, cubic zirconia ≈ 5.6–6.0 g/cm³.
That means diamond is ~3.51 times as dense as water (≈3.51 g/cm³ at room temperature).
Quick notes:
- Measured by hydrostatic weighing: SG = mass in air / (mass in air − mass in water).
- Small variations come from impurities, inclusions or porosity; synthetic and natural diamonds are essentially the same range.
- For comparison: graphite ≈ 2.27 g/cm³, corundum (ruby/sapphire) ≈ 4.0 g/cm³, cubic zirconia ≈ 5.6–6.0 g/cm³.
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