Can Ultrasonic Cleaners Damage Diamonds?

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Can Ultrasonic Cleaners Damage Diamonds?

Diamonds are among the hardest substances on earth, but that doesn’t mean they are completely immune to damage. Many people wonder if ultrasonic cleaners are safe for diamonds, as these machines use high-frequency sound waves to remove dirt and grime from jewelry.

What is an Ultrasonic Cleaner?

An ultrasonic cleaner is a machine that uses high-frequency sound waves to clean various objects, including jewelry. These sound waves create microscopic bubbles that implode, creating a cleaning action that removes dirt and grime from the surface of an object. Ultrasonic cleaners are commonly used by jewelers and watchmakers to clean delicate and intricate pieces of jewelry that cannot be cleaned by hand.

How Do Ultrasonic Cleaners Work?

Ultrasonic cleaners work by creating high-frequency sound waves that travel through a cleaning solution. As the sound waves travel, they create tiny bubbles that implode, producing a cleaning action that removes dirt and grime from the surface of an object.

The cleaning solution used in an ultrasonic cleaner typically contains a detergent or other cleaning agent that helps to break down and remove dirt and grime.

Can Ultrasonic Cleaners Damage Diamonds?

While ultrasonic cleaners are generally safe for diamonds, there are some potential risks to be aware of.


  • Ultrasonic cleaners are effective at removing dirt and grime from diamonds
  • Ultrasonic cleaners can reach areas that are difficult to clean by hand
  • Ultrasonic cleaning is a quick and efficient process


  • Ultrasonic cleaning can sometimes loosen prongs or other settings on diamond jewelry
  • Ultrasonic cleaning can damage diamonds that have existing cracks or inclusions
  • Ultrasonic cleaning can sometimes cause damage to the surface of diamonds that have been treated with certain coatings or enhancements

How to Safely Clean Diamonds with an Ultrasonic Cleaner

If you decide to use an ultrasonic cleaner to clean your diamond jewelry, there are some steps you can take to minimize the risk of damage:

  1. Make sure your diamonds are in good condition before cleaning them. If a diamond has any cracks or inclusions, it may be more susceptible to damage during the ultrasonic cleaning process.
  2. Choose a cleaning solution that is specifically designed for use with ultrasonic cleaners and diamond jewelry.
  3. Follow the manufacturer’s instructions carefully and do not exceed the recommended cleaning time or temperature.
  4. Inspect your jewelry carefully after cleaning it to make sure no damage has occurred. If you notice any loose prongs or other issues, take your jewelry to a professional jeweler for repair.


While ultrasonic cleaners can be effective at cleaning diamonds, they do come with some potential risks. If you decide to use an ultrasonic cleaner to clean your diamond jewelry, be sure to take the necessary precautions to minimize the risk of damage. And if you have any concerns about the condition of your diamonds or their suitability for ultrasonic cleaning, it’s always best to consult with a professional jeweler.

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