Why Moissanite

Why Moissanite

Forever One Moissanite Engagement Ring

A Cut Above the Rest

Gemstone comparison guide

Brilliance Refraction Index (RI)

Moissanite:
2.65-2.69
Diamond: 2.42
Ruby: 1.77
Sapphire: 1.77
Emerald: 1.58

Fire Dispersion

Moissanite:
0.104
Diamond: 0.044
Ruby: 0.018
Sapphire: 0.018
Emerald: 0.014

Hardness Mohs Scale

Moissanite:
9.25-9.50
Diamond: 10
Ruby: 9
Sapphire: 9
Emerald: 7.5

Toughness

Moissanite:
Excellent
Diamond: Good to Excellent*
Ruby: Excellent**
Sapphire: Excellent**
Emerald: Poor to Good

*In cleavage direction, toughness is “good.”**Except twinned stones.

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