(1) Do not attempt to clean clarity-enhanced diamonds in an ultrasonic cleaner, as they can be damaged by ultrasonic waves.
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(2) Many emeralds and rubies are filled for clarity enhancements and can be damaged by ultrasonic waves. Use with caution or consult your jeweler before cleaning these gemstones with an ultrasonic cleaner.
(3) Ultrasonic machines can only clean silver jewelry, not remove tarnish, Use only with water and a non-ammoniated cleaner.
(4) Damaged jewelry should not be cleaned using an ultrasonic cleaner. Consult your professional jeweler if you have any questions on what can or cannot be cleaned using an ultrasonic cleaner.
CLEAN WITH ULTRASONIC
GEMSTONES
METALS
NOT RECOMMENDED
Amber
Amethyst
Aquamarine
Citrine
Cubic Zirconia
Diamond
Doublet
Emerald
Garnet
Jade
Lapis Lazuli
Moissanite
Opal
Pearl
Quartz
Ruby
Sapphire
Topaz
Turquoise
Brass
Copper
Gold (10, 14, 18kt)
Gold, Plated
Palladium
Platinum
Rhodium, Plated
Silver, Antiqued
Silver, Plated
Silver, Sterling
Stainless Steel
Titanium
Tungsten