About Moissanite

A Celestial Sparkle with an Earthly Heart

More than 50,000 years ago, a meteorite collided with Earth in a fiery blaze—leaving behind trace crystals of a rare and otherworldly mineral. These brilliant fragments, later discovered in an Arizona crater by French chemist Henri Moissan, bore an uncanny resemblance to diamonds. It wasn’t until eleven years later that Moissan identified the crystals as a unique compound: silicon carbide. Today, the gemstone born from stars bears his name—Moissanite.

Though nearly identical in clarity and sparkle to diamonds, natural moissanite is incredibly rare. It wasn’t until modern science mastered the art of lab-growing moissanite that this cosmic beauty became available for fine jewelry. Now, Trésor proudly brings you this extraordinary gem—ethical, enduring, and radiant beyond compare.

Why Moissanite Is So Exceptional

Unmatched Brilliance, Built to Last

Moissanite is more than a diamond alternative—it’s a gemstone in a league of its own.

Hardness

Ranking 9.5 on the Mohs scale, moissanite is second only to diamond in toughness, making it ideal for everyday wear.

Fire

With over twice the fire (rainbow flashes) of diamonds, moissanite is a showstopper in every light.

1-Year Warranty

Moissanite has the highest refractive index of any gem, meaning it reflects more light—and more sparkle—than any natural diamond.

Heat Resistance

Moissanite withstands temperatures higher than diamond, ensuring it remains brilliant even in extreme conditions.

What Sets Trésor Moissanite Apart

Pure Color. Perfect Cut. Elevated Craftsmanship.

Not all moissanite is created equal. While some retailers use lower grades with faint or near-color tones, Trésor exclusively uses premium D-color (colorless), VVS1 clarity moissanites—offering the highest standard of beauty, brilliance, and precision.

Each stone is expertly cut to enhance its sparkle, fire, and balance. From solitaires to intricate halo settings, your Trésor ring radiates refined luxury at every angle.

A Gemstone You Can Feel Good About

Ethical. Sustainable. Smart.

Choosing moissanite means choosing a conflict-free future. Unlike mined diamonds, moissanite is lab-grown—ensuring it’s free from environmental harm, unethical labor, or inflated markups. It’s a responsible, modern choice for couples who value both integrity and impact.

And yet, moissanite remains surprisingly affordable—offering incredible value without compromise.

Backed by Confidence

Every Trésor moissanite ring is backed by our 1-Year Limited Warranty against manufacturing defects—because luxury should come with peace of mind.
Brilliance Reflaction Index (RI) Fire Dispersion Hardness Mohs Scale Toughness
DIAMOND: 2.42 DIAMOND: 0.044 DIAMOND: 10 DIAMOND: GOOD TO EXELENT
RUBY: 1.17 RUBY: 0.018 RUBY: 9 RUBY: EXCELLENT
SAPPHIRE: 1.17 SAPPHIRE: 0.018 SAPPHIRE: 9 SAPPHIRE: EXCELLENT
EMERALD: 1.58 EMERALD: 0.014 EMERALD: 7.5 EMERALD: POOR TO GOOD

Durability

Moissanite ranks 9.5 on the Mohs scale, making it an excellent choice for daily wear thanks to its outstanding hardness and strength.

Affordability

Enjoy stunning sparkle without the high price tag — moissanite can be up to 90% more affordable than traditional diamonds.

Appearance

Even expert jewelers find it hard to tell the difference between moissanite and earth-mined diamonds — it looks just as brilliant.

Guilt-Free

Lab-grown and conflict-free, moissanite is a sustainable alternative to mined gemstones, offering peace of mind with every sparkle.

Color

All Trésor Diamond stones are graded D color — the highest grade for colorless gems, ensuring a crystal-clear shine.

Clarity

Rated VVS1, each stone offers excellent clarity with no visible flaws, giving you premium quality that truly shines.

Trésor Moissanite vs. Cubic Zirconia

While cubic zirconia (CZ) has gained popularity as an affordable diamond substitute, it falls short in both appearance and longevity. What might seem like a budget-friendly option can quickly lose its sparkle — literally.

Learn more

Trésor Moissanite vs. Other Brands

Choosing a gemstone is a deeply personal and meaningful experience. It marks moments that last a lifetime — so your stone should, too. But in a market full of options, not every moissanite brand offers the same standard of excellence.

Learn more

Don’t Miss Out

Subscribe to receive updates, access to exclusive deals, and more.