Updated as of June 2026
Ametrine vs Smoky Quartz
| Ametrine | Smoky Quartz | |
|---|---|---|
| Price / carat | $10 to $120 | $3 to $50 |
| Hardness (Mohs) | 7 | 7 |
| Color | Purple, Yellow, Bicolor | Brown, Gray, Smoky, Black |
| Treatment | Typically untreated | Irradiation (some stones) |
The bottom line
Ametrine and Smoky Quartz 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 Smoky Quartz.
Frequently asked questions
Is Ametrine or Smoky Quartz more durable?
Both rate Mohs 7, so they are comparably durable.
Which is cheaper, Ametrine or Smoky Quartz?
Ametrine runs about $10 to $120 per carat and Smoky Quartz about $3 to $50 per carat, so Smoky Quartz is usually the more affordable choice.
Which should I choose?
Pick Ametrine if you want purple tones and Smoky Quartz if you prefer brown. Match the stone hardness to how you will wear it and let budget break the tie.