Updated as of June 2026
Zoisite vs Ruby
| Zoisite | Ruby | |
|---|---|---|
| Price / carat | $10 to $150 | $100 to $5,000 |
| Hardness (Mohs) | 6.5 | 9 |
| Color | Green, Pink, Blue, Multicolor | Red, Pinkish red |
| Treatment | Typically untreated | Heat treatment |
The bottom line
Zoisite and Ruby 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 Zoisite and Ruby.
Frequently asked questions
Is Zoisite or Ruby more durable?
Ruby is harder (Mohs 9 vs 6.5), so it resists scratches better.
Which is cheaper, Zoisite or Ruby?
Zoisite runs about $10 to $150 per carat and Ruby about $100 to $5,000 per carat, so Zoisite is usually the more affordable choice.
Which should I choose?
Pick Zoisite if you want green tones and Ruby if you prefer red. Match the stone hardness to how you will wear it and let budget break the tie.