- Jewelry Identifier
- Hallmarks
- RHODIUM PLATED
* rhodium-plated hallmark
The RHODIUM PLATED hallmark: meaning, purity & value
Rhodium plating. Common over white gold to enhance whiteness and reduce yellow undertone. Plating typically 0.75-1 micron; wears off over 1-3 years requiring re-plating. Sometimes used over silver to inhibit tarnish.
Published May 30, 2026
Quick facts
- Metal
- rhodium-plated
- Common regions
- international
Stamps that mean the same thing
This purity may be struck into jewelry as any of: RHODIUM PLATED / RHODIUM / RH PLATED. The mark differs by country and era, but the metal content is identical.
What RHODIUM PLATED tells you
Rhodium plating. Common over white gold to enhance whiteness and reduce yellow undertone. Plating typically 0.75-1 micron; wears off over 1-3 years requiring re-plating. Sometimes used over silver to inhibit tarnish.
How to check it yourself
- Examine the stamp under a 10× loupe — genuine marks are crisp and evenly struck, not doubled or smeared.
- Confirm the mark reads RHODIUM PLATED or an equivalent such as RHODIUM.
- Photograph it in the Jewelry Identifier app to read the metal, hallmark, and any gemstones from the image.
- For a binding result, have an assay office or gemological lab run an XRF purity test.
* Frequently asked
FAQ
- Q. Is RHODIUM PLATED the same as RHODIUM?
- A. Yes. RHODIUM PLATED, RHODIUM, RH PLATED all denote the same material — rhodium-plated. Different markets and eras stamp it differently, but the purity is identical.
- Q. How do I confirm a RHODIUM PLATED stamp is genuine?
- A. Look at the mark under 10× magnification for crisp, even strikes, cross-check the weight-to-volume ratio against the expected density, scan it with the Jewelry Identifier app, and — when it matters — have an XRF test done by an assay office or gemological lab.
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