Updated as of June 2026
Alexandrite vs Ruby
| Alexandrite | Ruby | |
|---|---|---|
| Price / carat | $500 to $10,000 | $100 to $5,000 |
| Hardness (Mohs) | 8.5 | 9 |
| Color | Green, Red, Purple | Red, Pinkish red |
| Treatment | Typically untreated | Heat treatment |
The bottom line
Alexandrite 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 Alexandrite and Ruby.
Frequently asked questions
Is Alexandrite or Ruby more durable?
Ruby is harder (Mohs 9 vs 8.5), so it resists scratches better.
Which is cheaper, Alexandrite or Ruby?
Alexandrite runs about $500 to $10,000 per carat and Ruby about $100 to $5,000 per carat, so Ruby is usually the more affordable choice.
Which should I choose?
Pick Alexandrite 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.