Updated as of June 2026
Sapphire vs Aquamarine
| Sapphire | Aquamarine | |
|---|---|---|
| Price / carat | $50 to $2,000 | $30 to $600 |
| Hardness (Mohs) | 9 | 7.75 |
| Color | Blue, Pink, Yellow, White, Padparadscha | Blue, Blue-green, Pale blue |
| Treatment | Heat treatment | Heat treatment (to deepen blue) |
The bottom line
Sapphire 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 Sapphire and Aquamarine.
Frequently asked questions
Is Sapphire or Aquamarine more durable?
Sapphire is harder (Mohs 9 vs 7.75), so it resists scratches better.
Which is cheaper, Sapphire or Aquamarine?
Sapphire runs about $50 to $2,000 per carat and Aquamarine about $30 to $600 per carat, so Aquamarine is usually the more affordable choice.
Which should I choose?
Pick Sapphire if you want blue tones and Aquamarine if you prefer blue. Match the stone hardness to how you will wear it and let budget break the tie.