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 decades with proper care. Gold filled jewelry is

Often confused 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 laid; it’s pressure bonded, resulting in a piece that feels and looks genuinely like solid gold, though