Moissanite vs Cubic Zirconia: Which Lasts?
Two affordable diamond alternatives — but they're not equal. Here's the truth.
Moissanite and cubic zirconia (CZ) are both budget-friendly and sparkly, so they're often confused. But when it comes to longevity, there's a clear winner. Here's the honest comparison.
Durability: the big difference
Moissanite is one of the hardest gemstones and resists scratches for a lifetime. Cubic zirconia is much softer — it scratches, scuffs, and tends to cloud over time, often needing replacement within a few years.
Sparkle over time
Moissanite keeps its brilliant fire indefinitely. CZ can start bright but dulls and clouds as it absorbs oils and gets scratched, losing sparkle relatively quickly.
Price
CZ is cheaper upfront, but because it needs replacing, moissanite is usually the better long-term value — you buy once and keep the sparkle.
| Moissanite | Cubic Zirconia | |
|---|---|---|
| Hardness | Very hard | Soft |
| Lasts | A lifetime | A few years |
| Clouds over time? | No | Yes |
Curious how moissanite compares to real diamonds too? See Diamond Simulants Explained.
FAQs
Is moissanite better than cubic zirconia?
For longevity, yes — moissanite is far harder, keeps its sparkle, and lasts a lifetime, while CZ tends to cloud and scratch within a few years.
Does cubic zirconia really cloud?
Yes — it's softer and porous-feeling over time, so it scratches and absorbs oils, gradually losing its sparkle.
Sparkle That Lasts
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