Why moissanite is the perfect alternative to diamonds

Moissanites are lab-grown gems.

Moissanites are lab-grown gems.

Published Jan 28, 2025

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Diamonds might be a girl’s best friend but moissanites are coming pretty close to making any woman happy. 

Moissanite is a lab-created gemstone that shares a striking resemblance to diamonds.

It's composed of silicon carbide, a naturally occurring mineral, and is renowned for its exceptional brilliance and fire.

Here’s a look at how moissanite compares to diamonds and lab-grown diamonds and why you should consider buying the popular stone.

Moissanite vs diamond

While visually similar, moissanite and diamonds have key differences.

Composition: Diamonds are pure carbon, while moissanites are silicon carbide.

Hardness: Diamonds are the hardest natural substance, scoring a 10 on the Mohs scale. Moissanites are slightly softer, with a hardness of 9.25.

Brilliance: Moissanites often exhibit more 'fire' (rainbow flashes) than diamonds due to their higher refractive index.

Price: Moissanites are significantly more affordable than diamonds of comparable size and quality.

Moissanites are significantly more affordable than diamonds.

Moissanite vs. lab-grown diamond

Both moissanite and lab-grown diamonds are lab-created, but they differ in composition.

Moissanite: Silicon carbide

Lab-grown diamond: Pure carbon, identical to mined diamonds

Lab-grown diamonds are generally harder than moissanite and often exhibit a classic, colourless sparkle, while moissanites are known for their "fire." 

Lab-grown diamonds tend to be more expensive than moissanite but still more affordable than mined diamonds.

Why choose moissanite?

Ethical considerations: Lab-grown moissanites offer an ethical alternative to mined diamonds, avoiding potential environmental and social concerns associated with diamond mining.

Affordability: Moissanites provide a luxurious look at a fraction of the cost of diamonds.

Durability: Despite being slightly softer than diamonds, moissanites are still incredibly durable for everyday wear.

Unique sparkle: The enhanced brilliance and fire of moissanite create a truly dazzling effect.

If you're looking for a stunning gemstone that offers exceptional value and ethical considerations, moissanites are an excellent choice.

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