Updated as of June 2026
Jasper vs Onyx
| Jasper | Onyx | |
|---|---|---|
| Price / carat | $2 to $30 | $3 to $40 |
| Hardness (Mohs) | 6.75 | 6.75 |
| Color | Brown, Red, Green, Yellow, Multicolor | Black, White, Banded |
| Treatment | Typically untreated | Dyeing (most black onyx) |
The bottom line
Jasper and Onyx 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 Jasper and Onyx.
Frequently asked questions
Is Jasper or Onyx more durable?
Both rate Mohs 6.75, so they are comparably durable.
Which is cheaper, Jasper or Onyx?
Jasper runs about $2 to $30 per carat and Onyx about $3 to $40 per carat, so Jasper is usually the more affordable choice.
Which should I choose?
Pick Jasper if you want brown tones and Onyx if you prefer black. Match the stone hardness to how you will wear it and let budget break the tie.