Gold-filled jewelry is composed of a solid layer of gold bonded with heat and pressure to a base metal such as brass or copper. In the U.S. the quality of gold filled is defined by the Federal Trade Commission. If the gold layer uses 14 kt the minimum layer of 14 karat gold in an item stamped GF must equal at least 1/20 the weight of the total item. Gold-filled items are 50 to 100,000 times thicker than regular gold plating and they should last a lifetime of daily wear. After wearing your gold-filled jewelry, just wipe it carefully with a jewelry polishing cloth and store it in your jewelry box. For gold-filled earrings, clean them with the ear cleaner that can be purchased where ears are pierced. Once they are dry, place them in your jewelry box. You don't need to keep gold-filled jewelry in plastic bags.
Rose gold jewelry is plated over a copper base with a lacquer finish applied to protect it. To keep your rose gold jewelry beautiful follow the instructions above for Rose Gold-filled jewelry.