Updated as of June 2026

How to clean and care for Diamond

Reviewed by the AltGems editorial team · Updated June 2026

Extremely hard and durable. Clean with warm soapy water and a soft brush, and ultrasonic cleaners are generally safe.

Step by step

Fill a bowl with warm water and a few drops of mild dish soap.
Soak the piece briefly, then gently brush with a soft toothbrush. Reach behind the stone where buildup hides.
Rinse in clean water (keep a strainer over the drain) and pat dry with a lint-free cloth.
Store in a soft pouch away from harder gems that could scratch it.

Keep it sparkling

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How do you clean Diamond?

Extremely hard and durable. Clean with warm soapy water and a soft brush, and ultrasonic cleaners are generally safe.

Can you use an ultrasonic cleaner on Diamond?

Yes, Diamond is hard and stable enough that ultrasonic cleaners are generally safe for untreated stones.

Does Diamond scratch easily?

Diamond rates 10 on the Mohs scale. That is hard and resists everyday scratches well.