Updated as of June 2026
Onyx engagement rings
A sleek black chalcedony traditionally worn for grounding, strength, and protection against negativity. Here is how it works in engagement rings specifically.
Choosing a Onyx engagement ring
Onyx rates 6.75 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 black tone, and match the metal to your skin tone and budget.
Best metals and settings
Onyx pairs well with sterling silver, white gold, yellow gold. A bezel or halo setting adds protection for daily wear. Compare options in our metal guides.
More on this stone: Onyx overview, price guide, and care guide.
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Frequently asked questions
Is Onyx good for a engagement ring?
Onyx rates 6.75 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 Onyx engagement ring cost?
The stone itself runs about $3 to $40 per carat, and the finished engagement ring price depends on the metal and setting. Onyx pairs well with sterling silver, white gold, yellow gold.
What metal suits a Onyx engagement ring?
Onyx looks best in sterling silver, white gold, yellow gold. See our metal guides to weigh durability against cost.