What is electroplating in jewellery?
By Jared James · Last updated 21 May 2026
Definition
Electroplating is the process of depositing a thin layer of metal, most often gold, silver or rhodium, onto the surface of an object by passing an electric current through a solution containing dissolved metal ions. The object to be plated acts as the cathode and metal gradually bonds to its surface. In jewellery it is used to give a base metal piece the look of a more precious metal, to protect silver from tarnishing with a rhodium coat, or to add a flash of yellow or rose gold to a white metal piece.
Frequently asked questions
- How long does electroplating last on jewellery?
- It depends on the thickness of the plating, how often the piece is worn, and what it comes into contact with. A thick gold plate on a ring can wear through within a year with daily wear, while the same plating on earrings may last many years because they see less friction.
- Can electroplated jewellery be re-plated?
- Yes, most jewellers offer re-plating services. The old plating is cleaned off or buffed and a fresh coat is applied. It is a useful way to refresh a favourite piece that has worn through.
- What is the difference between gold-plated and gold-filled jewellery?
- Gold-plated jewellery has a very thin electroplated layer of gold over a base metal. Gold-filled has a much thicker layer of gold mechanically bonded to the base, at least 1/20th of the piece's total weight, which makes it considerably more durable.
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