How Long Do Moissanite Rings Last? 2025
When I first started digging into the world of fine jewelry, I was struck by how often people asked the same pressing question: how long do moissanite rings last? As someone who has researched gemstones extensively and spoken with jewelers and gemologists, I can confidently say this—moissanite is built to last a lifetime. Yet, there’s nuance here worth exploring. If you’re considering a moissanite engagement ring or simply want to understand the longevity of this diamond alternative, you deserve more than a shallow answer.
Moissanite isn’t just a “diamond substitute”; it’s a lab-created gemstone with a unique story and remarkable properties. Known for its dazzling brilliance and toughness, moissanite is one of the most durable gemstones used in jewelry. On the Mohs hardness scale, it ranks at 9.25, which places it just below diamonds (the hardest material on earth). That means it resists scratches, chips, and daily wear far better than most natural gemstones like sapphire, emerald, or ruby.
But longevity isn’t just about hardness. It’s also about structural integrity, chemical stability, and how well the gemstone is set into its ring. In this guide, I’ll break down what makes moissanite so enduring, how to care for your moissanite jewelry, and why these rings are often treasured for generations. By the end, you’ll see why moissanite rings aren’t just a passing trend—they’re a future-proof investment in beauty and durability.
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What Makes Moissanite So Durable?
Hardness on the Mohs Scale
Moissanite earns a 9.25 rating on the Mohs scale of mineral hardness, second only to diamond’s perfect 10. This makes it incredibly resistant to scratching, ensuring your ring maintains its pristine surface through decades of wear.
Toughness and Resistance to Breaking
While hardness refers to scratch resistance, toughness measures a gem’s resistance to breaking or chipping. Moissanite is remarkably tough, meaning it won’t easily fracture even under accidental knocks—a major advantage over gemstones like emeralds, which are brittle despite being hard.
Chemical Stability
Moissanite is stable against heat and chemicals, so you don’t have to worry about everyday exposure to soaps, oils, or mild cleaning agents damaging the stone. This chemical resilience ensures long-term brilliance and clarity.
Do Moissanite Rings Last Forever?
When people ask if moissanite lasts forever, what they’re really asking is whether it can maintain its sparkle and structure over a lifetime. The short answer is yes. Moissanite doesn’t cloud, discolor, or wear down the way softer gemstones might.
However, longevity also depends on:
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Ring setting quality – A weak setting can cause even the hardest gemstone to become loose or lost.
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Care and maintenance – Regular cleaning keeps moissanite looking like new.
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Lifestyle factors – Heavy wear and tear (e.g., construction work, sports) might impact the metal band more than the stone itself.
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Moissanite vs. Diamond Longevity
Durability Comparison
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Diamonds: Hardest substance on earth, unbeatable in scratch resistance.
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Moissanite: Slightly less hard, but still harder than every other gem except diamond.
Sparkle and Fire Over Time
Moissanite has higher refractive and dispersion values than diamonds, meaning it actually offers more fire (rainbow flashes). Unlike diamonds, moissanite will not lose brilliance due to internal dirt buildup—simple cleaning restores its shine.
Cost vs. Lifespan
Moissanite offers a diamond-like lifespan at a fraction of the cost, making it an attractive option for engagement and wedding rings.
How to Care for a Moissanite Ring
Even though moissanite is durable, proper care ensures it retains its brilliance.
Cleaning Tips
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Use warm water, mild soap, and a soft brush to remove oils and dirt.
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For deeper cleaning, consider an ultrasonic or steam cleaner, though always check with your jeweler.
Storage Advice
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Store your ring in a separate compartment to prevent scratching other jewelry.
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Keep away from extreme physical stress when not wearing it (e.g., gym workouts).
Routine Maintenance
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Have your ring checked by a jeweler once a year to ensure prongs and settings remain secure.
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Common Myths About Moissanite Longevity
Myth 1: Moissanite Gets Cloudy Over Time
This is false. Moissanite does not become cloudy. Any dullness comes from surface dirt or residue, which can be easily cleaned.
Myth 2: Moissanite Loses Its Sparkle
On the contrary, moissanite’s fire and brilliance remain constant. Unlike cubic zirconia, which degrades, moissanite maintains its optical performance indefinitely.
Myth 3: Moissanite Isn’t a “Forever Stone”
With proper care, moissanite lasts just as long as diamonds. Many couples now choose moissanite as a heirloom-worthy gemstone.
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Why Moissanite Rings Are Perfect for Everyday Wear
Moissanite rings are not just engagement favorites—they’re perfect for daily jewelry. Their scratch resistance, brilliance, and affordability make them an ideal choice for rings that withstand everyday activities without losing beauty.
Whether you’re washing dishes, typing at work, or traveling, moissanite’s durability ensures peace of mind that your ring will hold up.
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Final Thoughts: A Lifetime of Brilliance
So, how long do moissanite rings last? In essence, they last a lifetime—just like diamonds. Their exceptional hardness, toughness, and chemical stability make them one of the most durable gemstones you can buy. With proper care, a moissanite ring won’t just last for your lifetime, but can be passed down for generations.
For couples seeking a gemstone that combines beauty, durability, and value, moissanite is not just an alternative—it’s a modern, ethical, and timeless choice.
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