AltGems
Updated as of June 2026

Kunzite vs Amethyst

KunziteAmethyst
Price / carat$20 to $250$5 to $60
Hardness (Mohs)6.757
ColorPink, Lilac, VioletPurple, Violet, Lavender
TreatmentIrradiation or heat (some stones)Heat treatment (to alter or deepen color)
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Compare Kunzite and Amethyst prices
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The bottom line

Kunzite 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 Kunzite and Amethyst.

Frequently asked questions

Is Kunzite or Amethyst more durable?
Amethyst is harder (Mohs 7 vs 6.75), so it resists scratches better.
Which is cheaper, Kunzite or Amethyst?
Kunzite runs about $20 to $250 per carat and Amethyst about $5 to $60 per carat, so Amethyst is usually the more affordable choice.
Which should I choose?
Pick Kunzite if you want pink tones and Amethyst if you prefer purple. Match the stone hardness to how you will wear it and let budget break the tie.