Yes, there are Jewelry items and Plenty of Gemstones that should NOT be inserted into Ultrasonic Cleaners. Why? Because Ultrasonic Cleaners can actually Harm, Break, Crack, Fracture or Dissolve your Gemstones!
Do NOT put these in an ultrasonic cleaner!
- Synthetic Stones
- Colored Diamonds
- Costume Jewelry
- Copper Plated Jewelry
- Fracture Filled Diamonds
- Diamonds with lots of Inclusions
Click HERE to read a more indepth artical on the danger ultrasonic cleaners pose to these stones.