Updated as of June 2026
Ametrine vs Amethyst
| Ametrine | Amethyst | |
|---|---|---|
| Price / carat | $10 to $120 | $5 to $60 |
| Hardness (Mohs) | 7 | 7 |
| Color | Purple, Yellow, Bicolor | Purple, Violet, Lavender |
| Treatment | Typically untreated | Heat treatment (to alter or deepen color) |
The bottom line
Ametrine and Amethyst 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 Ametrine and Amethyst.
Frequently asked questions
Is Ametrine or Amethyst more durable?
Both rate Mohs 7, so they are comparably durable.
Which is cheaper, Ametrine or Amethyst?
Ametrine runs about $10 to $120 per carat and Amethyst about $5 to $60 per carat, so Amethyst is usually the more affordable choice.
Which should I choose?
Pick Ametrine if you want purple tones and Amethyst if you prefer purple. Match the stone hardness to how you will wear it and let budget break the tie.