Unlike silver, gold doesn't develop a dull tarnished finish over time. However, gold can still easily accumulate dirt and grime with normal use. Read this wikiHow to learn how to restore the shine to your precious rings, bracelets, necklaces, and other gold jewelry. How to Use Boiling Water Know when boiling is appropriate. Gold itself can be boiled with no problems. However, boiling delicate gemstones (like opals, pearls, coral, and moonstones) can cause them to crack or become damaged - especially if the jewelry is cold before boiling. Boiling is also a bad idea for jewelry with glued-in gemstones, as it can loosen the glue. However, if you're looking to clean heavily soiled jewelry made entirely out of gold or gold jewelry that contains "strong" gemstones (like diamonds), boiling is a great choice. Bring water to a boil. You don't need to boil much water - just enough to submerge all of the jewelry in. As you're waiting for the water to boil, set your gol