Updated as of June 2026
Best Lab-Created Gemstones
Lab-grown stones offer consistent quality at a lower price. Here are the standouts.
- Goldstone · Mohs 5.5 · $2 to $25/ct. A man made glass containing tiny copper crystals that create a sparkling glitter. Historically credited to…
- Cubic Zirconia · Mohs 8.25 · $1 to $30/ct. An inexpensive lab-created diamond simulant valued for its sparkle and wide range of colors. Not the same as…
- Moissanite · Mohs 9.25 · $200 to $800/ct. A lab-created diamond alternative prized for exceptional brilliance and fire at a fraction of diamond cost.…
- Lab-Grown Diamond · Mohs 10 · $400 to $3,000/ct. Chemically identical to a mined diamond but grown in a lab, offering the same brilliance and hardness at a…
Frequently asked questions
Best Lab-Created Gemstones?
Lab-grown stones offer consistent quality at a lower price. Here are the standouts. Our top pick is Goldstone.
How did you rank these?
We rank by the factor that matters most for this list, then by overall value. Prices are general per-carat guides and vary by quality and seller.