18K Yellow Gold
Yellow and Rose Gold do not tarnish, but they can be cleaned if needed. Dilute mild dish soap in a bowl of warm water and soak for three to five minutes.
Gently clean your jewelry using a soft, cotton cloth. Rinse under warm water and pat dry with a soft cloth. To avoid scratching your jewelry, do not scrub it.
If your jewelry contains rubies or emeralds, it should be cleaned only with a dry cotton cloth - diluted dishwashing soap should not be used as it could damage the gemstones.
To keep your sterling silver looking new, it will be necessary to clean it. To polish your sterling silver jewelry, apply a small amount of silver cleaning polish to a soft cloth. Gently rub the piece until the tarnish is removed.
Rinse under warm water and pat dry with a soft cloth. To avoid scratching your jewelry do not scrub it. Chlorine and bleach will accelerate tarnishing, so it should be avoided when wearing sterling silver.