925 Silver means it contains 92.5% silver and there are 7.5% of the alloy that makes the silver have ideal brightness, luster and the resistance to oxidation . The 925 silver jewelry will have the advantages of having high quality, nice appearance, bright color and exquisite craft, which is also the fashion trend of the jewelry.
How to do ultrasonic cleaning for necklace?
Home Ultrasonic Cleaner - Home ultrasonic cleaners are best used for karat gold jewelry without gemstones. The ultrasonic may also be suitable for some diamond-set jewelry. Intense vibrations may loosen stones, so a professional annual cleaning and security check is important. DO NOT use the home ultrasonic for amber, coral, emerald, kunzite, lapis lazuli, opal, pearl, or turquoise. Be sure to check with your jeweler prior to using a home ultrasonic cleaner.