What is Moissanite? A Complete Guide to This Stunning Gem
What Is Moissanite? A Complete Guide to This Stunning Gem
Moissanite is a lab-created gemstone made of silicon carbide, prized for brilliance that rivals diamond, a hardness of 9.25 on the Mohs scale, and ethical, conflict-free sourcing — all at a fraction of a diamond's price. Here's everything you need to know about its history, properties, and why it's become a favourite.
The Origin of Moissanite
Discovery and History
Moissanite was first discovered in 1893 by French chemist Henri Moissan in a meteorite crater — an out-of-this-world origin. Naturally occurring moissanite is extremely rare, so today's gemstones are lab-created to ensure both quality and availability.
Lab-Created for Consistency
Because natural moissanite is so scarce, it's grown under controlled conditions. This yields beautiful gemstones that are ethically sourced and environmentally friendly — a win for both the planet and your conscience.
Key Properties of Moissanite
Exceptional Brilliance
Moissanite has a high refractive index (about 2.65–2.69) that surpasses diamond's 2.42. This means it can show even more fire and sparkle under light, making it a showstopper in any setting.
Hardness
On the Mohs scale, moissanite ranks 9.25 — just below diamond at 10. This hardness ensures excellent durability for everyday wear, whether in rings, necklaces, or earrings.
Affordability
Moissanite offers a luxurious look at a fraction of a diamond's cost. With its lower price point, you can choose a larger stone or a more intricate design without stretching the budget.
How Moissanite Compares
Moissanite vs Diamond
- Brilliance: Moissanite often out-sparkles diamond thanks to its higher refractive index.
- Cost: Diamonds are significantly more expensive.
- Ethics: Lab-created moissanite is always conflict-free.
Moissanite vs Lab-Grown Diamond
Lab-grown diamonds are also ethically sourced, but moissanite typically offers greater fire and a lower price point, making it a compelling alternative.
Why Choose Moissanite?
Ethical and Eco-Friendly
Because it's lab-created, moissanite bypasses the environmental and social concerns sometimes linked to diamond mining. You get a conflict-free gem with a minimal ecological footprint.
Low Maintenance, High Shine
Moissanite's hardness and scratch resistance make it easy to care for. Occasional cleaning with warm water and mild soap keeps it sparkling for years.
Versatile and Timeless
Whether you're shopping for a statement ring, a pendant, or a pair of stud earrings, moissanite's brilliance suits any design. At Irosk, our moissanite is set in 925 sterling silver for a clean, modern finish.
How to Care for Your Moissanite
- Regular cleaning: Gently wash with warm soapy water and a soft brush.
- Avoid harsh chemicals: Remove moissanite jewellery before using cleaning products.
- Safe storage: Keep pieces separate to avoid scratching other gems or metals.
FAQs About Moissanite
What is moissanite made of?
Silicon carbide. It's a different material from diamond (pure carbon) and from cubic zirconia (zirconium dioxide).
How hard is moissanite?
9.25 on the Mohs scale — one of the hardest gemstones available, second only to diamond.
Is moissanite ethically sourced?
Yes. It's lab-created, so it's conflict-free with a low environmental impact.
Explore our moissanite collection to find your perfect piece.
About Irosk Australia
Irosk is an Australian jewellery brand specialising in handcrafted 925 sterling silver birthstone and gemstone jewellery. Founded by Ish and Lovneet in 2021 and based in Brisbane, Irosk creates timeless, meaningful pieces designed for gifting and everyday wear — each one crafted with care and accurately described so you always know exactly what you're getting. Your stone. Your story.
