Which is Better: Moissanite or Cubic Zirconia?

The Duel of the Gems

In the quest for diamond alternatives that capture hearts without breaking the bank, moissanite and cubic zirconia (CZ) have emerged as front-runners. But between these two contenders, which gem outshines the other? Let's delve deeper.

Understanding the Contenders

Moissanite: A Brief Overview

A cosmic gem, moissanite traces its origin to meteorites. Its chemical composition, silicon carbide, gifts it with a fiery brilliance that rivals diamonds.

Cubic Zirconia: The Essentials

CZ is a synthesized crystalline gem. Made of zirconium dioxide, it's known for its diamond-like radiance, albeit with some distinct characteristics.

Comparative Analysis

1. Brilliance & Fire

Moissanite possesses an exceptional refractive index, resulting in more "fire" (rainbow colors) than diamonds. In contrast, CZ offers brilliant sparkle but falls short in showcasing the fiery spectacle of moissanite.

2. Durability & Hardness

Moissanite scores 9.25 on the Mohs scale, rendering it impressively durable and resistant to scratches. CZ, with a score of 8.5, is relatively softer, prone to scratches and wear over time.

3. Price Point

CZ tends to be more wallet-friendly, making it a popular choice for fashion jewelry. Moissanite, while more expensive than CZ, is significantly more affordable than diamonds, providing luxury at a fraction of the cost.

4. Longevity & Maintenance

Moissanite's robustness ensures it retains its luster for a lifetime. CZ, however, can become cloudy over time, necessitating periodic replacements to maintain its brilliance.

5. Environmental Footprint

Both gems boast a minimal ecological impact. Moissanite is lab-created, sidestepping harmful mining. Similarly, CZ's synthetic nature ensures ethical and sustainable sourcing.

The Best Fit for Different Occasions

Engagements & Weddings

For rings symbolizing eternal love, moissanite emerges as the ideal choice, balancing longevity with ethereal beauty.

Fashion Jewelry & Casual Wear

For trendy, everyday pieces, CZ offers both elegance and affordability.

Testimonials: Real-world Feedback

“I chose a moissanite engagement ring, and it's been the best decision! Its fire and brilliance never cease to amaze me.” - Sarah L.

“My CZ earrings are perfect for my office wear. They add just the right amount of sparkle.” - Grace M.


In the timeless debate of moissanite versus cubic zirconia, the decision boils down to personal preferences and purpose. Moissanite stands out in durability and fire, ideal for lifetime pieces like engagement rings. CZ, with its affordability, is perfect for fashion-forward choices. Both gems offer sustainable and ethically sourced alternatives to diamonds, ensuring you can shine responsibly.


  1. Does moissanite's brilliance fade over time like CZ?

    • No, moissanite retains its brilliance and fire for a lifetime.
  2. Is CZ suitable for daily wear?

    • While CZ can be worn daily, it's more susceptible to wear and might need replacements over time.
  3. Can jewelers distinguish between moissanite, CZ, and diamonds?

    • Yes, professionals can identify each gem based on refractive properties and other characteristics.
  4. Which gemstone is closer to diamonds in appearance?

    • Moissanite is often deemed closer due to its fire and brilliance, though CZ also mimics diamond's sparkle.
  5. Are there color variations in moissanite and CZ?

    • Both gems are available in variations, with moissanite ranging from near-colorless to slightly tinted, and CZ in a wider color spectrum.


Click Here To View All Our Moissanite Jewelry

Email us at info@luxusmoissanite.com to ask any questions. We respond quickly!

Leave a comment

All comments are moderated before being published