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Moissanite · GRA
Moissanite withGRA certificate
Moissanite is a lab-grown gemstone made of silicon carbide, known for its brilliance and durability. It was discovered by Nobel laureate Henri Moissan in meteorite fragments. It is not a diamond, and we always label it as such.
Comparison
Moissanite and diamond
| Property | Moissanite | Diamond |
|---|---|---|
| Hardness (Mohs) | 9.25 | 10 |
| Refractive index | 2.65 to 2.69 | 2.42 |
| Dispersion | 0.104 | 0.044 |
| Composition | Silicon carbide (SiC) | Carbon (C) |
Cut and certificate
Hearts and Arrows, GRA
The Hearts and Arrows cut has perfect symmetry: hearts are visible from below, arrows from above.
Every GRA certified moissanite carries a laser inscribed number on the girdle that matches the certificate.
Contact
Let us talk
For questions about diamonds, gemstones, a partnership or custom jewellery, get in touch directly. We will be glad to help.
- +385 95 3632 282Phone and WhatsApp
- info@ctd.hr
- Zagreb, Croatia