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Does Moissanite Get Cloudy?

Moissanite does not become permanently cloudy over time. If a moissanite looks cloudy, dull, or hazy, the cause is typically temporary surface buildup from dirt, oils, cosmetics, or mineral deposits that can be removed with proper cleaning.

Updated: September 17, 2026

Expertise you can trust: Brilliant Earth is known for its award-winning jewelry designs and seamless, innovative shopping experience. This Brilliant Earth gemstone guide explains moissanite clarity, durability, and the common causes of temporary cloudiness. All Brilliant Earth guides are meticulously researched and reviewed by our certified gemologists, content, editorial, and brand teams before publication to ensure industry-leading excellence and accuracy.

Do Moissanites Get Cloudy?

Moissanites are resistant to permanent cloudiness and retain their clarity over time. Unlike some gemstones, moissanite does not absorb oils or moisture that can lead to clouding.

However, everyday wear can cause residue to accumulate on the gemstone's surface. Oils, cosmetics, dirt, and other buildup may temporarily make moissanite appear cloudy or less brilliant. Regular cleaning can remove this residue and restore its appearance.

Loose moissanite gemstone

Why Does My Moissanite Look Cloudy?

A moissanite can look cloudy when residue builds up on its surface. This temporary cloudiness does not mean the gemstone itself has become permanently cloudy.

Common causes include:

  • Lotions and cosmetics: Oils, creams, makeup, and other products can leave a film on the gemstone.
  • Hard water deposits: Minerals from hard water can accumulate on the surface and make moissanite look dull.
  • Dirt and grease: Everyday exposure can create surface buildup that reduces the gemstone's visible brilliance.

In most cases, proper cleaning removes surface buildup and restores the moissanite’s clarity and brilliance.

If your jewelry is from Brilliant Earth, you can also receive complimentary ring cleanings from one of our jewelry experts at any Brilliant Earth showroom.

Loose moissanite gemstone

Does Moissanite Last?

Yes, moissanite lasts. Moissanite is made of silicon carbide, a durable material that resists scratching and most damage caused by chemicals. It measures 9.25 on the Mohs scale of hardness, making it resistant to scratching and everyday wear.

Moissanite clarity does not naturally deteriorate with age, so a cloudy or dull appearance is more likely to come from removable surface residue than a permanent change in the gemstone.

Regular cleaning can help maintain its brilliance by removing oils, dirt, cosmetics, and other buildup from the surface.

Loose moissanite gemstone

FAQ

Does moissanite tarnish?

No, moissanite stones do not tarnish, discolor, or permanently lose their brilliance over time. Surface buildup from oils, cosmetics, dirt, or other residue can temporarily affect their appearance, but proper cleaning can restore their clarity and sparkle.

Does moissanite fade?

No, moissanite does not change color under normal conditions. Lighting may influence how its color appears, but the gemstone itself does not permanently change color because of these differences in appearance.

Does moissanite get cloudy over time?

No, moissanite does not become permanently cloudy over time. It retains its clarity as it ages, although surface buildup from oils, cosmetics, dirt, or mineral deposits can temporarily make the gemstone look cloudy.

Does moissanite dull over time?

Moissanite does not permanently dull with age, but residue can temporarily reduce its visible brilliance. Dirt, grease, lotions, cosmetics, and hard water deposits can accumulate on the surface and create a dull appearance that can usually be reversed with cleaning.

Does moissanite fog up?

Moissanite can temporarily appear foggy or cloudy when residue accumulates on its surface, but the gemstone does not permanently cloud with age. Proper cleaning can remove surface buildup and restore its clarity.

Does moissanite lose its sparkle?

No, moissanite does not permanently lose its brilliance over time. Surface buildup can temporarily make it appear less brilliant, but cleaning any dirt, oils, cosmetics, and mineral deposits can restore its sparkle.

Does moissanite yellow over time?

No, moissanite does not change color under normal conditions. Some moissanites naturally have faint yellow or green hues, and lighting can influence perceived color, but this is different from a gemstone becoming more yellow as it ages.

Does moissanite get hazy?

Moissanite can temporarily look hazy when oils, cosmetics, hard water deposits, dirt, or grease collect on its surface. This haze is generally surface buildup rather than permanent cloudiness and can be removed with proper cleaning.