How to clean: Gold
Gold doesn’t tarnish, but it can be dirtied or dulled by the oils in your skin, body lotion, makeup or other substances. There are lots of products out there that promise to clean gold, but you can do it easily with mild detergent and a soft cloth.
Did you see LIL brand new polishing cloth?
Otherwise mix a squeeze of mild laundry detergent with warm water in a bowl. Put the gold item into the soap mixture and let sit for a few minutes. Use a soft toothbrush to gently scrub the jewelry. Remove item from soapy water, rinse it and dry thoroughly with a soft polishing cloth.
How to clean: Zirconia
Use a cotton or flannel cloth to wipe your jewelry clean. A special jewelry polishing cloth would be perfect. Using straight, back and forth strokes, polish your jewelry and remove any surface dirt and dust. Do not rub in a circular motion as that can scratch the surface of your jewelry. Then use a cleaning solution to remove grime and dirt.
Just like a diamond, a cubic zirconia can be cleaned with warm water and mild soap. Use a soft, cosmetic applicator to reach crevices. However, if you wish, you can use a trusted jewelry cleaner to remove any dirt and dust from your zircons.
How to clean: Pearls
Pearls are very soft and need special care and attention. You should never store your pearls in a jewelry box next to other jewelry as the box and other pieces of jewelry can damage the pearls by scratching and nicking. Instead keep your pearl in a fabric lined box or fabric pouch.
Skin produces acids that can harm your pearls, so if worn regularly pearls should be wiped down with a soft cloth after every wearing. Wiping pearls off with either a wet or dry soft cloth will prevent dirt from accumulating and keep perspiration, which is slightly acidic, from eating away at the nacre. You can also use a drop of olive oil on your cleansing cloth to help maintain your pearls’ luster.
Along with being soft and easily scratched, pearls can be damaged by chemicals and heat. Only use jewelry cleaners that are clearly marked safe for pearls. Never use ultrasonic cleansers, dish or wash detergents, bleaches, baking soda or ammonia based cleansers. Never use toothbrushes, or any other abrasive materials to clean your pearls. Always take off your pearls before using any cosmetics, hair spray, or perfume and avoid heat and dry air because both can cause pearls to turn brown, dry out, and crack.