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8 Moissanite Myths Debunked: The Truth About Moissanite

24/09/2026 | Rodio Ice&Co

Quick Answer: The most common moissanite myths are that it is fake, that it gets cloudy, that it scratches easily, and that it looks cheap. None of these are true. Moissanite is a genuine gemstone, it never clouds or changes color, it rates 9.25 on the Mohs hardness scale, and top-grade stones look icy white with more fire than diamond.

Myth 1: Moissanite Is a Fake Diamond

Truth: moissanite is a real gemstone made of silicon carbide. It is only "fake" if it is sold pretending to be diamond. Sold as moissanite, it is a genuine gem. Read Is Moissanite a Real Diamond?

Myth 2: Moissanite Gets Cloudy Over Time

Truth: moissanite does not cloud, fade or change color. A dull look comes from lotion, soap or oil on the surface, which washes off. See Does Moissanite Get Cloudy?

Myth 3: Moissanite Scratches Easily

Truth: at 9.25 on the Mohs scale, moissanite is harder than sapphire, ruby and every other popular gem except diamond. It is highly resistant to scratches in everyday wear.

Myth 4: Moissanite Is the Same as Cubic Zirconia

Truth: cubic zirconia is a much softer simulant (about 8 to 8.5 on the Mohs scale) that scratches and dulls more easily. Moissanite is harder, more brilliant and keeps its sparkle for life.

Myth 5: Moissanite Looks Yellow or Green

Truth: some early moissanite had a slight tint. Modern moissanite is available in colorless D, E and F grades that look icy white.

Myth 6: Everyone Can Tell It Is Moissanite

Truth: to the naked eye, most people cannot tell moissanite from diamond. It even reads as diamond on most standard thermal testers. See Does Moissanite Pass a Diamond Tester?

Myth 7: Moissanite Is Too Sparkly

Truth: moissanite does show more rainbow fire than diamond, especially in sunlight. Many people love this. Cut style matters too: step cuts such as emerald show a calmer, more elegant sparkle.

Myth 8: Moissanite Is Not Suitable for an Engagement Ring

Truth: moissanite is one of the most popular engagement ring choices today because it is beautiful, durable, lab-created and far more affordable than diamond.

Explore moissanite engagement rings.

Frequently Asked Questions

Is moissanite fake?

No. Moissanite is a genuine gemstone made of silicon carbide. It is only misleading if sold as a diamond.

Does moissanite look cheap?

No. High-quality VVS, D-color moissanite looks bright, clear and luxurious, with more fire than a diamond.

Is moissanite good for an engagement ring?

Yes. It is hard enough for everyday wear, keeps its sparkle for life, and costs far less than a diamond of the same size.

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