Gold filled jewelry is/consists of/contains a thick layer of solid gold mechanically bonded to a base metal/foundation/core such as brass. Unlike gold plated jewelry, which only has a very thin layer of gold, gold filled jewelry is much more durable. It's known for its brilliance and it can last for years with proper care. Gold filled jewelry is a

Often interchanged with gold plating, 18k gold filled jewelry represents a significantly better level of durability and value. The process incorporates bonding a substantial thickness of 18k gold to a base metal, typically copper. This isn't merely applied; it’s mechanically bonded, resulting in a piece that feels and looks remarkably like solid