AltGems
Updated as of June 2026

Black Diamond rings

An opaque black diamond valued for bold modern style and associated with strength, confidence, and protection. Here is how it works in rings specifically.

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Choosing a Black Diamond ring

At Mohs 10, Black Diamond is hard enough to hold up well in a ring. For color, look for an even black tone, and match the metal to your skin tone and budget.

Best metals and settings

Black Diamond pairs well with white gold, platinum, yellow gold. A bezel or halo setting adds protection for daily wear. Compare options in our metal guides.

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

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Frequently asked questions

Is Black Diamond good for a ring?
At Mohs 10, Black Diamond is hard enough to hold up well in a ring.
How much does a Black Diamond ring cost?
The stone itself runs about $200 to $3,000 per carat, and the finished ring price depends on the metal and setting. Black Diamond pairs well with white gold, platinum, yellow gold.
What metal suits a Black Diamond ring?
Black Diamond looks best in white gold, platinum, yellow gold. See our metal guides to weigh durability against cost.