Jewellery Plating: Compare Gold, Rhodium and Platinum
Understand what is underneath a plated finish, how the coating wears, and what future maintenance could cost.
Reviewed by Adnan Ali, Graduate, GIA Diamond Grading · Updated 2026-10-18
Plating is a thin surface layer of metal over another metal. It can give jewellery a gold or bright white appearance, but it can wear away. Before choosing, find out what the piece is made from underneath and whether you are happy with the ongoing care.
Compare the coatings
| Coating | Why buyers choose it | What to consider |
|---|---|---|
| Gold plating | A gold-coloured surface, often at a lower initial price than solid gold. | The underlying metal can show as the layer wears. Ask about the base metal and replating cost. |
| Rhodium plating | A bright white finish, commonly used on white gold. | The warmer or greyer colour beneath may show with wear. It can need renewing. |
| Platinum plating | A platinum surface over another metal. | It is not solid platinum. Ask what is underneath and how that particular piece can be maintained. |
Solid metal or plated: what are you paying for?
Solid gold means a gold alloy throughout the metal body, such as 18K gold; it does not mean pure 24K gold. Gold-plated means a gold surface layer over another metal. Likewise, platinum-plated is different from solid platinum. A coating can improve the look, but it does not change the metal underneath.
Why white gold can change colour with wear
Many white gold pieces have rhodium plating for a bright white finish. The unplated alloy can look warmer or greyer. That colour showing through does not necessarily mean the metal is faulty; it may mean the coating has worn. Ask whether your chosen white gold is plated and how it can be refreshed. Solid platinum generally does not need a white coating to create its colour.
How long will it last?
There is no fixed replating schedule for every piece. Rings and bracelets usually experience more rubbing than pendants. Coating thickness, wear and cleaning all affect the result. Ask for a realistic maintenance estimate for the piece you are buying, including the likely cost.
If you have a metal sensitivity, ask about the full alloy beneath the coating as well. Plating is not a permanent barrier because it can wear.
Care and questions before buying
- Confirm the underlying metal and purity in writing.
- Ask whether the piece is plated and what colour may show with wear.
- Find out how it is cleaned, repaired and replated.
- Avoid abrasive polishing and follow care advice for the stones as well as the metal.
- Compare the purchase price with future maintenance, especially for a ring worn every day.
Sources: Rio Grande: jewellery electroplating guide · Cooksongold / Heimerle + Meule: electroplating guide · GIA: white gold and rhodium · GIA: white gold and silver coatings · Cooksongold: platinum plating solution reference