AltGems
Updated as of June 2026

How to clean and care for Lab-Grown Diamond

Identical care to natural diamond. Safe with warm soapy water, soft brush, and ultrasonic cleaners.

Step by step

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

How do you clean Lab-Grown Diamond?
Identical care to natural diamond. Safe with warm soapy water, soft brush, and ultrasonic cleaners.
Can you use an ultrasonic cleaner on Lab-Grown Diamond?
Yes, Lab-Grown Diamond is hard and stable enough that ultrasonic cleaners are generally safe for untreated stones.
Does Lab-Grown Diamond scratch easily?
Lab-Grown Diamond rates 10 on the Mohs scale. That is hard and resists everyday scratches well.