Rhodium is one of the rarest metals in the earth's crust, more expensive per gram than gold or platinum, and almost every piece of white metal jewelry sold in Europe today has some rhodium on its surface. This piece explains what rhodium plating actually does, why it exists on 925 sterling silver in the first place, and how to know when a piece needs re-plating and when it does not.
Below is the working guide from a Kaunas studio that rhodium-plates every silver piece it ships. Loretana buyers ask about rhodium regularly, usually because they have heard the term without knowing what it changes about the piece they are holding. The answer is: a lot, quietly, in ways that matter across the piece's whole working life.
What rhodium actually is
Rhodium is a platinum-group metal, atomic number 45, one of six sister elements including platinum, palladium, iridium, ruthenium, and osmium. Its color is a distinctive bright white, harder than most other jewelry metals, and biologically inert enough that it is used in medical implants as well as jewelry.
Global annual rhodium production is under 30 tonnes, compared to about 3,300 tonnes for gold. This scarcity makes rhodium priced per gram substantially higher than gold at any given moment, though the actual rhodium used on a jewelry piece is a tiny fraction of a gram and represents a small fraction of the piece's total cost.
Rhodium is applied to silver through electroplating, the same electrochemical process used for gold plating. The piece is submerged in a rhodium salt solution and an electric current deposits rhodium atoms uniformly across every conductive surface of the piece.
What rhodium plating does mechanically
Three specific changes happen when rhodium goes on silver.
Tarnish resistance. Silver reacts with sulfur compounds in the air to form silver sulfide, the grey-brown patina that appears on unprotected silver over months of wear. Rhodium does not react with sulfur at all. A rhodium-plated silver piece does not tarnish while the plating is intact, which is typically five to eight years of daily wear.
Surface hardness increase. On the Mohs hardness scale, 925 sterling silver sits around 2.5. Rhodium sits around 6.0. This makes the plated surface roughly twice as hard as the underlying silver, which resists scratches, dents, and abrasion from daily wear. A rhodium-plated ring shoulder holds its shape years longer than an unplated equivalent.
Color shift toward bright white. Silver is naturally slightly warm-white, close to a very pale grey. Rhodium is more brilliantly white, closer to platinum. This is why rhodium-plated silver looks so similar to white gold: both metals present the same rhodium surface to the eye. Under jewelry-shop lighting the two are almost indistinguishable without a hallmark check.
What rhodium plating does not do
Rhodium plating is not structural. It does not add strength to a thin piece, does not fix a poorly welded joint, and does not prevent the piece from bending under mechanical stress. If the underlying silver is too thin at a critical point, the rhodium on top will not save the piece.
Rhodium plating is not permanent. It wears through at friction points over years of use, exposing the underlying silver. This is normal and expected for any plated jewelry. A ring worn daily for five years shows plating thinning at the shoulders where fingers press against tools and surfaces; a chain worn daily for eight years shows thinning at the clasp and near the neck friction points.
Rhodium plating is not something buyers can apply at home. The electroplating process requires industrial equipment, controlled temperatures, and specific chemistry that no consumer kit reliably provides. Any home "silver polishing" solution that claims to add plating is either wrong or is applying something other than rhodium.
How long the plating lasts, by piece type
Plating lifespan varies by physical stress on the piece. Rough guidance for a Loretana rhodium-plated 925 silver piece worn regularly and cared for according to standard silver habits:
- Earrings and pendants: 8 to 12 years of daily wear before visible thinning at contact points.
- Chains and bracelets: 6 to 10 years of daily wear before thinning at the clasp and at link contact points.
- Rings: 4 to 8 years of daily wear before visible thinning at the shoulders and inside band.
These are for pieces cared for consistently: no swimming, no sleeping in the piece, cosmetics applied before jewelry, weekly soft-cloth wipe. A piece worn through swimming pools and hot showers will hit the low end of each range or below.
What happens when plating wears through
The first visible sign of plating wear is a slight color shift at high-friction points. On a ring, the shoulders and inside band lose some brightness and read slightly warmer than the rest of the piece. On a chain, the clasp mechanism shows the color shift first, followed by the links closest to the neck friction point.
Once the underlying silver is exposed, that silver can tarnish. Because the tarnish appears in patches (only where the plating has worn through), the overall piece takes on a mottled appearance rather than a uniform patina. This is cosmetic rather than structural, but it is the signal that the piece is ready for re-plating.
Re-plating restores the piece to its as-shipped surface. The studio strips any remaining old plating with a mild chemical bath, cleans the underlying silver to remove any tarnish or contamination, then re-electroplates with fresh rhodium at the standard thickness. The process takes a few hours in the studio; the customer's turnaround is usually one working week from receipt.
Is rhodium safe on the skin
Rhodium is one of the most biologically inert metals used in jewelry. Skin contact reactions to rhodium are effectively unknown in the clinical dermatology literature. Rhodium does not oxidize, does not release ions into skin at any measurable rate, and does not cause the reactions that nickel, copper, or cobalt can cause in sensitized wearers.
This is why we describe rhodium-plated 925 sterling silver as one of the safest options for sensitive skin. The plating puts a hypoallergenic surface between the wearer and the underlying copper-alloy silver, so even wearers who react to copper are protected while the plating is intact.
How to tell if a piece is rhodium-plated
Rhodium-plated silver and unplated silver look almost identical when the plating is fresh, but a few differences become visible over time and under close inspection.
Uniform bright white color. A rhodium-plated piece has an even, brilliant white surface with no warm undertone. An unplated silver piece has a slightly warmer, more grey-white color that softens further under yellow lighting.
No tarnish after months of wear. A piece worn for six months without any tarnish signal is almost certainly plated. A piece worn for the same period that develops a slight darkening is unplated or has thin plating.
Product description confirmation. The most reliable check. Legitimate jewelers state whether a piece is rhodium-plated in the product description. If the description does not mention plating, the piece is probably unplated or has an unspecified thin plating.
The Baltic buying context
Baltic customers expect rhodium plating on their silver by default. This is a market with high year-round humidity in coastal regions, sulfur-heavy air near industrial areas, and a customer base that will notice tarnish immediately and act on it. An unplated silver piece worn in a Klaipėda summer will show visible tarnish within weeks; a rhodium-plated equivalent will stay bright for years.
Every Loretana silver piece is rhodium-plated at the Kaunas studio before it ships across Lithuania, Latvia, and Estonia within 24 hours of order confirmation. Re-plating requests are handled at the same Kaunas studio.
Frequently asked questions
Is rhodium plating worth it on silver?
For daily-wear silver, yes. Rhodium plating extends the piece's visible lifespan by years, prevents tarnish, adds a hypoallergenic barrier, and does all this at a small marginal cost added to the piece at manufacture.
Can rhodium plating cause skin reactions?
Rhodium itself does not cause skin reactions in any clinically documented rate. Reactions to rhodium-plated silver are almost always reactions to the underlying alloy where the plating has worn through.
How thick is the rhodium layer on plated silver?
Standard rhodium plating on jewelry is between 0.75 and 2.0 microns thick. Loretana plates to the higher end of this range, which extends plating lifespan under daily wear. Very thin plating under 0.5 microns wears through within months.
Does rhodium plating change the value of a silver piece?
Only slightly. The rhodium adds a small cost at manufacture and a small barrier against damage over the piece's life. The main benefit is aesthetic longevity rather than resale value.
Can I ask for a piece without rhodium plating?
Yes. Some Loretana pieces are available unplated on request, particularly for buyers who prefer the warmer traditional silver color. Contact the studio to ask about unplated options.
Every Loretana silver piece is rhodium-plated and hallmarked at Lietuvos prabavimo rūmai in Kaunas before it ships across Lithuania, Latvia, and Estonia within 24 hours.
Related Products
