Does Moissanite Get Cloudy? 2025
When I first started covering the world of fine jewelry, one question came up again and again from shoppers and even some jewelers: does moissanite get cloudy over time? As someone who has spent years researching gemstones, inspecting lab-grown options, and working with artisans, I can tell you this is one of the biggest myths surrounding this extraordinary diamond alternative.
In today’s jewelry market, moissanite engagement rings and fashion pieces are exploding in popularity, largely because of their unmatched brilliance, eco-conscious origins, and affordability. Yet, doubts linger. Some buyers worry that their sparkling stone might dull after years of wear. Others wonder whether chemicals, everyday use, or natural aging could make moissanite lose its fire. These are legitimate concerns—after all, clarity and sparkle are the reasons we invest in fine jewelry in the first place.
Here’s the truth: moissanite does not get cloudy like some gemstones do. Unlike cubic zirconia, which can discolor or fog up with time, moissanite is chemically stable and retains its brilliance for life. However, there are a few important factors every buyer should know about when it comes to keeping their stone looking its best.
In this article, I’ll break down what makes moissanite unique, why it doesn’t go cloudy, common misconceptions, and the best ways to care for your stone so it continues to rival even the most flawless diamonds. By the end, you’ll know exactly why moissanite jewelry is a smart, lasting investment.
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What Is Moissanite?
Before tackling cloudiness, let’s clarify what moissanite is.
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Origin: First discovered in 1893 by Henri Moissan in a meteor crater, moissanite is a naturally occurring mineral (silicon carbide). Because natural deposits are incredibly rare, all moissanite on the jewelry market today is lab-grown.
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Hardness: Moissanite ranks 9.25 on the Mohs scale, making it nearly as durable as diamond (10).
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Brilliance: It actually exhibits more fire and sparkle than diamonds, thanks to a higher refractive index (2.65 vs. diamond’s 2.42).
This combination of durability, brilliance, and lab-controlled consistency is what makes moissanite ideal for engagement rings and fine jewelry.
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Does Moissanite Get Cloudy Over Time?
The short answer: No, moissanite does not get cloudy.
Moissanite is a stable crystalline structure, meaning it won’t change color or lose clarity due to exposure to air, heat, or chemicals in the same way softer gemstones (like opals or emeralds) might. Its durability ensures it retains that “new stone” sparkle for decades.
Why Moissanite Doesn’t Cloud
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Chemical Stability – Silicon carbide is resistant to oxidation, discoloration, and chemical breakdown.
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Durability – At 9.25 hardness, it resists scratching and surface wear that could make a stone appear hazy.
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No Porosity – Unlike some gems, moissanite is not porous. It doesn’t absorb lotions, oils, or liquids that could alter its appearance.
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Why Some People Think Moissanite Gets Cloudy
The myth persists for a few reasons:
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Confusion with Cubic Zirconia (CZ): CZ stones, while initially brilliant, tend to scratch and discolor over time, becoming foggy. Many buyers mistakenly believe moissanite behaves the same way.
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Dirt and Residue Build-Up: Everyday wear—lotions, soaps, skin oils, and household dust—can coat the surface, giving the illusion of cloudiness. This isn’t permanent and can be cleaned easily.
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Low-Quality Imitations: Some vendors mislabel CZ or low-grade synthetic gems as moissanite, leading to disappointment and confusion.
Can Moissanite Change Color?
One related question I often hear is whether moissanite changes color.
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Modern Moissanite: High-quality stones are near-colorless (D-F range) or faintly warm (G-H range), but they will not shift over time.
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Older Generations: Early moissanite (pre-2010) sometimes had yellow or green undertones, but today’s advanced production methods have solved this.
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Lighting Effects: Under certain lighting, moissanite can appear to have rainbow flashes or a slight tint, but this is simply due to its strong refractive properties—not an actual color change.
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Caring for Moissanite to Keep It Sparkling
While moissanite itself won’t get cloudy, surface buildup can dull its brilliance if neglected. Here are simple, effective care tips:
At-Home Cleaning
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Mix warm water with mild dish soap and soak the jewelry for 10–15 minutes.
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Gently scrub with a soft toothbrush to remove residue.
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Rinse thoroughly and dry with a lint-free cloth.
Professional Cleaning
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Jewelers can use ultrasonic or steam cleaners safely on moissanite, though settings and metal type should be checked first.
Daily Habits
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Remove rings before applying lotions, perfumes, or hair products.
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Avoid wearing while swimming in chlorinated pools or hot tubs, not because of the moissanite, but because harsh chemicals can affect metal settings.
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Comparing Moissanite to Other Stones
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Moissanite vs. Diamond: Both resist cloudiness, but moissanite often outshines diamonds in fire and brilliance.
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Moissanite vs. Cubic Zirconia: CZ clouds within a few years, while moissanite maintains clarity for life.
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Moissanite vs. Sapphire: While sapphires are durable, they may scratch over time, unlike moissanite’s higher resilience.
The Investment Value of Moissanite
Choosing moissanite isn’t just about sparkle—it’s about long-term value. Buyers can rest assured that their stone will not degrade, fade, or require replacement due to cloudiness. Combined with ethical sourcing and affordability, moissanite offers a future-proof investment in fine jewelry.
Final Verdict: A Brilliant Stone That Lasts
After years of research and firsthand experience, I can say with confidence: moissanite does not get cloudy. Any dullness you may see is temporary and due to surface debris, not the stone itself. With basic care, moissanite jewelry will retain its clarity, fire, and brilliance for a lifetime—making it one of the smartest choices in modern jewelry.
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