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Rhodium plating is a very thin coat of a hard, chemically inert metal laid over the 925 silver. It keeps a sterling tennis bracelet bright white instead of slowly darkening, but it is a coating rather than part of the bracelet, and it wears gradually, so it will eventually need redoing.
What follows is the detail: how thick the coating is, where it gives out first and what you will see when it does. For the wider question, see our post on how long rhodium plating lasts; this one is about tennis bracelets.
What is rhodium, and why is it on a silver bracelet?
Rhodium is a noble metal in the platinum group. It is hard, highly reflective and very resistant to corrosion,. Jewellers use it as a finish rather than as the metal of the piece, so a thin film borrows its brightness and its inertness.
On a sterling silver bracelet the finish does two jobs. It gives the cool, bright white colour that people expect from a tennis bracelet, which is slightly different from the softer grey of bare silver. And it puts a barrier between the silver and the air, which matters because of what silver does when left exposed.
Why does 925 silver need plating at all?
Sterling silver is 92.5% silver and the rest is mostly copper, as we explain in is 925 sterling silver real silver. The copper makes the metal hard enough to wear, but both metals react with sulfur compounds in the air. Hydrogen sulfide is the most common culprit, and the product is a dark film of silver sulfide, with copper sulfide forming as well on sterling.
That film is tarnish: a chemical change at the metal surface, not dirt and not damage to the stones. Rhodium is inert and does not take part in that reaction, so a continuous rhodium layer keeps sulfur away from the silver underneath. The key word is continuous. Once the layer is thin or broken in one place, the silver there can tarnish like any other sterling.
How thick is the rhodium layer on a tennis bracelet?
Very thin, and the published figures disagree. Sources in the trade put decorative rhodium on silver anywhere from about half a micron to a couple of microns: one wholesale guide gives 0.5 to 1.0 microns as standard for sterling, another reference gives roughly 0.75 to 1.5, and a retail jeweller quotes 0.5 to 2.5. A micron is a thousandth of a millimetre, so even the thickest of those is a small fraction of the width of a human hair.
We have not found a rigorous wear study that links a given thickness to a given lifespan, so treat every thickness-to-lifespan claim, including ones you will see on other sites, as an estimate. One reference notes that too thin a coat wears through quickly and too thick a coat can turn brittle and crack. We describe the finish on our moissanite tennis bracelet as 5x rhodium plating on the listing, and we do not publish a micron figure for it because we have not measured one.
Where does rhodium plating wear first on a bracelet?
Friction is the main thing that removes plating, so the answer follows from where a bracelet rubs. This is reasoning from that mechanism, not a measured wear survey.
| Part of the bracelet | What it rubs against | What to expect |
|---|---|---|
| Clasp and safety latch | Opened and closed every wear, catches on itself and on fabric | Usually first to dull or show silver at the edges |
| Underside of the rail | The wrist, a watch strap, a desk edge, a keyboard | Gradual thinning, most visible on the inside of the links |
| Prong tips | Sleeves, knitwear, bag straps | Slow wear on the small raised points |
| Top of the links | Mostly air and the occasional knock | Lasts longest |
The clasp is the part that is handled, and the underside is the part that is rubbed. The top of the bracelet, the part people look at, usually stays bright longest, so a bracelet can look fine from above while the inside of the rail has started to show silver.
How long does rhodium plating last on a bracelet?
The honest range is wide. One wholesale guide estimates about 12 to 18 months for rings worn daily, and two to three years for bracelets, necklaces and earrings, because a ring takes far more skin contact and friction than a bracelet does. Another jeweller’s guide says one to two years depending on how often a piece is worn. Daily wear, sleeping in it and showering in it all shorten the figure.
A bracelet worn now and then and stored in a pouch will do better than those numbers suggest. If you wear a bracelet through water often, our guide to showering and swimming in sterling silver explains what helps and what does not.
What does it look like when the plating wears through?
It does not peel or fail suddenly. The coating thins, and where it is gone the sterling silver shows through. Bare silver is a slightly warmer, greyer white than rhodium, so the first sign is usually a patch on the clasp or inside the links that looks a shade duller than the rest.
If the bare patch is left exposed it can begin to tarnish, because the protection is gone at that spot. A silver polishing cloth removes light tarnish; our guide to cleaning sterling silver at home explains what to avoid on a plated or stone-set piece. Worn plating also bears on skin discolouration: the copper in the alloy causes the green mark some people get, and a worn finish lets the metal touch skin. We answer that in will sterling silver turn my finger green.
None of this touches the stones: the moissanite is silicon carbide and the plating is on the metal.
Is the plating on a cubic zirconia bracelet the same?
It is the same kind of finish applied to a different metal, and that changes what you see when it wears. Our cubic zirconia tennis bracelet is rhodium plated over a base metal core, as its listing states, rather than over solid 925 silver. The plating still gives the same bright white colour. What lies beneath it is the difference, and so is the lifespan you should expect: a base metal gives you no precious metal to fall back on once the coating is gone.
That is a fair reason to choose the silver version if you want a piece to be repaired and kept for years, and a fair reason to choose the cubic zirconia one if you want the same bright look from a lighter-weight purchase. For the setting itself, our tennis bracelet buying guide explains why the clasp matters as much as the stones.
Can rhodium plating be redone?
Yes. Re-plating is a standard jeweller’s service. The old surface is cleaned and a fresh layer is applied, which restores the white finish. Think of the coating as a finish you maintain. For a stone-set bracelet it is worth having done by a jeweller who knows the setting, instead of attempting any home kit.
If you are unsure whether a particular piece of ours can be re-plated, get in touch and a person from the workshop will tell you plainly.
Pieces finished in rhodium
Each listing states the finish and the metal underneath.
- Moissanite tennis bracelet925 sterling silver, rhodium plated, three stone sizes
Cubic zirconia tennis braceletrhodium plated over a base metal core
Cubic zirconia tennis necklacethe matching necklace, rhodium plated
Moissanite Miami cuban link braceletrhodium plated, in two widths
Moissanite eternity bandsterling silver, rhodium plated
Floating solitaire necklacea single stone, rhodium or gold finish
Moissanite cross pendantgold or rhodium finish
You can browse by category — rings, earrings, bracelets and necklaces — or start with our best sellers.
Common questions
What does rhodium plating do on a moissanite tennis bracelet?
It gives the sterling silver a bright white finish and shields it from the sulfur compounds that cause tarnish. It is a thin coating over the metal and has no effect on the moissanite stones themselves.
How thick is rhodium plating on silver jewellery?
Published figures range from roughly 0.5 to 2.5 microns depending on the source, and thin flash coatings exist as well. There is no rigorous wear study tying thickness to lifespan, so any exact promise is an estimate.
Where does rhodium plating wear off first on a bracelet?
At the points of most friction and handling: the clasp and safety latch, the underside of the links where they rest on the wrist, and the prong tips. The top of the links usually stays bright longest.
Will a rhodium plated bracelet tarnish?
Not while the coating is intact, because rhodium is inert and keeps sulfur away from the silver. Where the plating has worn through, the exposed sterling can tarnish like any other silver.
Can rhodium plating be reapplied?
Yes. Re-plating is a standard jeweller’s service that cleans the surface and applies a fresh layer. Ask a jeweller familiar with stone-set pieces, or contact us about a specific bracelet.
More questions
We answer shipping, returns, sizing and payment questions on our FAQ page.
References
The figures in this article come from published measurements and trade references, not from our own testing. Plating thickness ranges are drawn from several independent jewellery-trade sources that do not fully agree, which is why we give a range. The tarnish chemistry, silver sulfide formed by hydrogen sulfide with copper sulfide on sterling, follows the Canadian Conservation Institute’s guidance on silver tarnish. The description of rhodium as a hard, reflective, corrosion-resistant platinum-group metal used to plate sterling silver and white gold is standard in the materials literature. Lifespan estimates are trade estimates, not laboratory results.
