Why is moissanite less expensive than diamond?

Pourquoi la moissanite est-elle moins chère que le diamant ?

A one-carat equivalent moissanite costs a few hundred euros. A diamond of the same size: several thousand. Many conclude that moissanite is a "discount" stone. This is a flawed reasoning—here's why.

The price of diamond: organized scarcity and symbolism

The price of diamond does not only reflect its optical qualities. It includes:

  • the cost of mining extraction: moving tons of rock for a few carats;
  • a long chain of intermediaries (mine, trading, cutting, certification, distribution);
  • a carefully maintained scarcity and a century-old marketing ("a diamond is forever") that has made diamond THE obligatory symbol of commitment;
  • a purity premium: between two diamonds of the same size, a difference in purity invisible to the naked eye can double the price.

The price of moissanite: the true cost of a perfect stone

Jewelry-grade moissanite is created in a laboratory under controlled conditions. Its price reflects its true production cost: crystallization, precision cutting, quality control. No mine, no speculation, no scarcity rent.

Result: for the same budget, you can choose a larger, better cut, perfectly pure stone—or simply keep the difference.

Cheaper ≠ less beautiful

Let's recall the facts (detailed in our moissanite vs. diamond comparison):

  • brilliance superior to diamond (refractive index 2.65 vs. 2.42);
  • fire more than twice as high;
  • hardness of 9.25/10—scratch-resistant in everyday life;
  • consistent purity and color, guaranteed by certificate.

A different idea of value

Diamond retains resale value and symbolic significance. But jewelry is not an investment: it's an emotion you wear. Moissanite allows you to offer maximum sparkle without sacrificing months of budget—and to put the difference into a honeymoon, a project, or simply peace of mind.

How much does moissanite jewelry cost at WM Paris?

Our sterling silver 925 and certified moissanite creations range from less than €50 to approximately €150, including a signature box, with free delivery and a certificate of authenticity. Each piece is checked in Paris before shipping.

Compare for yourself: discover our moissanite rings and our guide to choosing an engagement ring.