Aquarius Birthstone: Amethyst
The Aquarius birthstone is Amethyst — the gemstone of the air sign ruled by Uranus (traditionally Saturn).
Dates
Jan 20 – Feb 18
Birthstone
Amethyst
Element
Air
Ruling Planet
Uranus (traditionally Saturn)
Aquarius and the Amethyst
Aquarius is the water-bearer, the zodiac's great original and humanitarian, ruled by unconventional Uranus, and its birthstone is the wise purple amethyst. A stone of clarity, intuition, and higher thought, amethyst matches Aquarius's visionary, future-facing mind. Garnet, the sign's second stone, grounds all that idealism in steady purpose.
Why Amethyst suits Aquarius
Amethyst suits Aquarius because both are stones of the mind and spirit. Long worn for clear thinking, intuition, and sobriety, amethyst's royal purple matches Aquarius's independent, intellectual nature and its gift for seeing further than everyone else. Garnet, the supporting Aquarius stone, balances that airy idealism with warmth and grounding, helping the visionary turn its big ideas into something real.
Aquarius traits the Amethyst reflects
The Aquarius personality
As a fixed air sign ruled by Uranus (traditionally Saturn), Aquarius is known for being independent, visionary, humanitarian and original. Air signs live in the mind, prizing ideas, communication and connection. A birthstone for Aquarius works best when it speaks to those qualities — which is exactly what Amethyst does.
That is also why Aquarius carries supporting stones alongside Amethyst. Where the primary stone captures the sign's headline character, the supporting stones round out the rest of its nature.
Aquarius supporting stones
Alongside Amethyst, these stones are traditionally linked to Aquarius and make thoughtful companions or alternatives.
Garnet
A grounding red stone that anchors visionary Aquarius and fuels its commitment to its ideals.
Aquamarine
The "water-bearer's" own sea-blue stone, mirroring Aquarius's cool, clear, humanitarian mind.
How to wear or gift the Aquarius birthstone
Aquarius rules the ankles and circulation and prizes individuality, so unconventional, original designs suit it best. Amethyst is hard enough for everyday rings and comes in everything from pale lilac to deep purple, giving this independent sign plenty of room to choose its own look. For a gift, an unusual amethyst cut or an artist-made piece appeals far more to Aquarius than anything conventional.
Your monthly birthstone too
Because Aquarius runs from Jan 20 – Feb 18, it crosses two calendar months — each with its own monthly birthstone. Depending on the exact day you were born, your monthly stone may differ from your zodiac stone. Here are the month pillars that Aquarius overlaps:
Go deeper on the Amethyst
Read more about Aquarius's stones in these in-depth guides: