Moissanite vs Diamond: What's the Difference?
Moissanite and diamond look almost identical to the eye, but they're different stones. Diamond is the hardest natural material (10 on the Mohs scale); moissanite is a lab-created gemstone that's nearly as hard (about 9.25) and actually shows more fire and brilliance. The biggest difference is price — moissanite costs a fraction of a diamond, which is why it's ideal for bold, fully iced-out pieces.
What is moissanite?
Moissanite is a lab-created gemstone made of silicon carbide. It was originally discovered in a meteorite, but the moissanite used in jewelry today is grown in a lab so it can be made clear, consistent and affordable. It is a real gemstone in its own right — not a coating or an imitation.
Brilliance and fire
Moissanite has a higher refractive index than diamond, which means it bends light more and produces more sparkle and “fire” — those flashes of rainbow color. For iced-out jewelry, that extra sparkle is a big part of the appeal.
Hardness and durability
Diamond is a 10 on the Mohs hardness scale and moissanite is about 9.25 — second only to diamond. In practice, both are extremely hard and well suited to everyday wear, resisting scratches and holding up over time.
Price
This is the biggest difference. Moissanite costs a small fraction of what a comparable diamond would, so the same budget buys a much bigger, more fully iced piece. That's why moissanite is the go-to for statement hip-hop jewelry.
Can you tell them apart?
To the naked eye, moissanite and diamond look nearly identical. Moissanite passes standard thermal diamond testers because it conducts heat like a diamond. A jeweller can tell them apart with a dual moissanite/diamond tester or under magnification (moissanite shows a subtle doubling of facet edges).
Which is better for hip-hop jewelry?
For iced-out chains, pendants, bracelets and watches, moissanite is usually the smart pick. You get the diamond look and everyday durability, but the lower price means you can go bigger and fully iced. Every MILSOVAULT piece uses VVS-clarity moissanite on 925 sterling silver and is diamond-tester positive.
Frequently Asked Questions
Is moissanite as good as a diamond?
For looks and durability, moissanite is an excellent alternative — nearly as hard as diamond and even more brilliant. It's a different stone, valued for delivering the diamond look at a fraction of the price.
Is moissanite more sparkly than a diamond?
Moissanite has a higher refractive index than diamond, so it shows more fire (rainbow flashes) and sparkle.
Is moissanite cheaper than a diamond?
Yes — significantly. Moissanite costs a small fraction of a comparable diamond, which is why it's popular for large, fully iced-out pieces.
Can people tell moissanite isn't a diamond?
Not with the naked eye in normal wear. Telling them apart reliably needs a dual tester or magnification.