Wash the gold with warm water and a few drops of mild dish soap
Soak briefly, then gently rub with your fingers or a soft cloth
Use a soft-bristled toothbrush to clean crevices
Rinse thoroughly with clean water
Dry completely with a soft lint-free cloth
Buff gently with a microfiber or jewelry polishing cloth
Avoid abrasive cleaners, toothpaste, baking soda, or rough pads
For tarnish or heavy buildup, use a gold-safe jewelry cleaner
For valuable, antique, or gemstone-set pieces, have a jeweler clean and polish it