Updated as of June 2026
Dumortierite vs Lapis Lazuli
| Dumortierite | Lapis Lazuli | |
|---|---|---|
| Price / carat | $5 to $50 | $5 to $100 |
| Hardness (Mohs) | 7 | 5.5 |
| Color | Blue, Violet blue, Denim blue | Blue, Deep blue, Gold flecks |
| Treatment | Typically untreated | Waxing |
The bottom line
Dumortierite and Lapis Lazuli both make beautiful jewelry. Choose by the look you want first, then weigh hardness against how hard you will wear the piece, and let price settle close calls. Read the full guides for Dumortierite and Lapis Lazuli.
Frequently asked questions
Is Dumortierite or Lapis Lazuli more durable?
Dumortierite is harder (Mohs 7 vs 5.5), so it resists scratches better.
Which is cheaper, Dumortierite or Lapis Lazuli?
Dumortierite runs about $5 to $50 per carat and Lapis Lazuli about $5 to $100 per carat, so Dumortierite is usually the more affordable choice.
Which should I choose?
Pick Dumortierite if you want blue tones and Lapis Lazuli if you prefer blue. Match the stone hardness to how you will wear it and let budget break the tie.