AltGems
Updated as of June 2026

Hackmanite engagement rings

A variety of sodalite famous for tenebrescence, changing color with light exposure. This shifting quality has made it a favorite among collectors and crystal enthusiasts. Here is how it works in engagement rings specifically.

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Choosing a Hackmanite engagement ring

Hackmanite rates 5.75 on the Mohs scale, which is on the softer side for a engagement ring. Choose a protective bezel setting and treat it gently. For color, look for an even pink tone, and match the metal to your skin tone and budget.

Best metals and settings

Hackmanite pairs well with sterling silver, white gold. A bezel or halo setting adds protection for daily wear. Compare options in our metal guides.

More on this stone: Hackmanite overview, price guide, and care guide.

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Frequently asked questions

Is Hackmanite good for a engagement ring?
Hackmanite rates 5.75 on the Mohs scale, which is on the softer side for a engagement ring. Choose a protective bezel setting and treat it gently.
How much does a Hackmanite engagement ring cost?
The stone itself runs about $15 to $120 per carat, and the finished engagement ring price depends on the metal and setting. Hackmanite pairs well with sterling silver, white gold.
What metal suits a Hackmanite engagement ring?
Hackmanite looks best in sterling silver, white gold. See our metal guides to weigh durability against cost.