Moissanite has quietly become one of the most popular diamond alternatives going, and the price is a big part of why. But "cheaper than a diamond" doesn't tell you much on its own. Here's what you're actually looking at, from a loose stone off the shelf to a finished ring from a specialist jeweller.
What Actually Drives the Price
A moissanite's cost comes down to three things: carat weight, cut quality, and where you're buying it from. The stone itself is lab-created, which strips out the mining and rarity premium that inflates diamond prices. Raw material cost for a standard stone is genuinely low, which is why prices for the same size and grade can swing wildly between sellers.
Cut still matters. A poorly cut moissanite looks glassy and flat. A well-cut one catches light the way you'd expect from a fine gemstone, which is part of why prices climb once you move from a generic supplier to a jeweller who sources properly faceted stones and builds a finished piece around them.
Industry Price Ranges by Carat
For a loose, round brilliant moissanite bought on its own (not set in a ring), commonly cited industry figures sit somewhere around:
- 0.5 carat: roughly $150–$380
- 1 carat: roug...