Which simulant has slightly lower SG than diamond?

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Multiple Choice

Which simulant has slightly lower SG than diamond?

Explanation:
Specific gravity is a measure of density relative to water. Diamond has an SG of about 3.52. Among common simulants, the one with a density slightly lower than diamond is moissanite, whose SG is roughly 3.2. The other options are noticeably heavier: cubic zirconia around 5.6–5.9, YAG about 4.4–4.6, and GGG around 7.0. So moissanite is the simulant with SG just below diamond’s.

Specific gravity is a measure of density relative to water. Diamond has an SG of about 3.52. Among common simulants, the one with a density slightly lower than diamond is moissanite, whose SG is roughly 3.2. The other options are noticeably heavier: cubic zirconia around 5.6–5.9, YAG about 4.4–4.6, and GGG around 7.0. So moissanite is the simulant with SG just below diamond’s.

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