Updated as of June 2026
Emerald vs Aquamarine
| Emerald | Aquamarine | |
|---|---|---|
| Price / carat | $100 to $4,000 | $30 to $600 |
| Hardness (Mohs) | 7.5 | 7.75 |
| Color | Green, Bluish green | Blue, Blue-green, Pale blue |
| Treatment | Oiling or resin filling (very common) | Heat treatment (to deepen blue) |
The bottom line
Emerald and Aquamarine 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 Emerald and Aquamarine.
Frequently asked questions
Is Emerald or Aquamarine more durable?
Aquamarine is harder (Mohs 7.75 vs 7.5), so it resists scratches better.
Which is cheaper, Emerald or Aquamarine?
Emerald runs about $100 to $4,000 per carat and Aquamarine about $30 to $600 per carat, so Aquamarine is usually the more affordable choice.
Which should I choose?
Pick Emerald if you want green tones and Aquamarine if you prefer blue. Match the stone hardness to how you will wear it and let budget break the tie.