Moissanite vs. Diamond

Moissanite and diamond look remarkably similar at a glance, but they are entirely different stones with distinct properties, price points, and long-term value. If you are weighing one against the other for an engagement ring or a special piece of jewelry, this guide walks you through everything that matters.

 

What Is a Diamond?

A diamond is a naturally occurring (or lab-grown) crystal made of pure carbon, formed under extreme heat and pressure. Diamonds are the hardest known natural material, scoring a perfect 10 on the Mohs scale of hardness. They have been the traditional choice for engagement rings for more than a century because of their unmatched durability, brilliance, and heritage.

 

What Is Moissanite?

Moissanite is a gemstone made of silicon carbide. It was originally discovered in a meteor crater by scientist Henri Moissan in 1893, and today it is created in controlled lab environments. Moissanite is nearly as hard as diamond, scoring 9.25 on the Mohs scale, which makes it an excellent choice for everyday wear.

 

Brilliance and Fire

Moissanite actually has a higher refractive index than diamond, which means it disperses more colored light, producing a more intense rainbow-like flash known as fire. Diamonds are known for their classic white brilliance and balanced sparkle. Some people love the extra fire of moissanite, while others prefer the more subtle, timeless look of a diamond.

 

Durability

Both stones are highly durable and suitable for daily wear. Diamond is slightly harder, but moissanite is tough enough to last a lifetime without chipping or scratching under normal conditions.

 

Color and Clarity

Modern moissanite is grown to be colorless or near-colorless, comparable to a D-F diamond. It is also engineered to be eye-clean. Diamonds vary more naturally in color and clarity, which is why a grading certificate matters.

 

Price

This is the biggest practical difference. A high-quality one-carat moissanite typically costs a small fraction of what a comparable diamond costs, letting you choose a larger or higher-quality-looking center stone for the same budget.

 

Resale Value

Diamonds, especially certified natural diamonds, retain more resale value than moissanite. Moissanite is purchased primarily for its beauty and value at the time of purchase rather than as a long-term financial asset.

 

Which One Is Right for You?

Choose a diamond if you value tradition, maximum hardness, and long-term resale value. Choose moissanite if you want maximum size and sparkle for your budget and you love an extra-brilliant look. Both can be stunning center stones for an engagement ring or a fine piece of jewelry.

 

Our team at Gallo Jewelry is happy to show you both side by side so you can decide what feels right for you.