AltGems
Updated as of June 2026

Paraiba Tourmaline vs Aquamarine

Paraiba TourmalineAquamarine
Price / carat$1,000 to $20,000$30 to $600
Hardness (Mohs)7.257.75
ColorBlue, Blue-green, Neon greenBlue, Blue-green, Pale blue
TreatmentHeat treatment (common)Heat treatment (to deepen blue)
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The bottom line

Paraiba Tourmaline 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 Paraiba Tourmaline and Aquamarine.

Frequently asked questions

Is Paraiba Tourmaline or Aquamarine more durable?
Aquamarine is harder (Mohs 7.75 vs 7.25), so it resists scratches better.
Which is cheaper, Paraiba Tourmaline or Aquamarine?
Paraiba Tourmaline runs about $1,000 to $20,000 per carat and Aquamarine about $30 to $600 per carat, so Aquamarine is usually the more affordable choice.
Which should I choose?
Pick Paraiba Tourmaline 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.