How much does rhodium plating cost in 2026? From white gold rings to silver jewellery — complete cost guide based on current rhodium spot price of $9,050/oz.
Jeweller pricing varies by location, piece complexity, and plating thickness. These ranges reflect typical UK and US market prices as of 2026.
Why jeweller prices don't track spot price closely: At $9,050/oz, the rhodium metal in a typical ring coating (0.1 micron on ~5 cm² surface) is worth approximately $0.50–$1.50. The $60–$120 cost is almost entirely labour, equipment, and setup. Rhodium plating costs changed little between $5,000/oz and $25,000/oz spot price.
The piece is cleaned ultrasonically and with steam to remove every trace of oil, grease, and skin residue. Contamination prevents even adhesion.
All scratches are buffed before plating — the rhodium layer is too thin to hide surface defects. This is the most time-consuming part of the process.
A thin gold or palladium strike coat is applied first to improve adhesion between the base metal and the rhodium layer.
The piece is submerged in a rhodium sulphate or phosphate solution. A precise low-voltage electrical current deposits an even rhodium layer at 0.1–0.5 microns thick.
Rinsed in distilled water to avoid mineral deposits, then dried and inspected under light for uniform bright white coverage.
Plating thickness is measured in microns (µm). Thicker coatings last longer but cost more in solution and time.
| Application | Thickness | Typical Life |
|---|---|---|
| Decorative jewellery | 0.10–0.25 µm | 1–2 years |
| Fine jewellery (quality) | 0.25–0.50 µm | 2–4 years |
| White gold rings (wear) | 0.50–1.00 µm | 3–5 years |
| Industrial contacts | 0.50–3.00 µm | 5–10 years |
| Precision optics | 1.00–5.00 µm | 10+ years |
1 micron (µm) = 0.001 mm. At 0.25 µm on a ring, the actual rhodium used weighs approximately 0.0002 grams.
Rhodium plating typically costs $50–$120 for standard jewellery pieces such as engagement rings, pendants, and earrings. The cost is driven almost entirely by labour and setup — the rhodium metal in a thin decorative coating is worth less than $2 even at $9,050/oz spot price. Larger or more complex items like watch cases and bracelets cost $100–$350+.
Rhodium plating lasts 1–3 years on jewellery with regular wear. Rings — which experience the most abrasion — may need re-plating every 12–18 months. Pendants and earrings can last 3–4 years. Plating thickness (0.1–1.0 microns) and exposure to chemicals (chlorine, perfume, hand sanitiser) are the main factors affecting lifespan.
White gold is yellow gold alloyed with palladium or nickel — the alloy itself has a slight grey or yellowish tint. Rhodium plating gives white gold its bright, mirror-white finish and also adds surface hardness and scratch resistance. Without rhodium plating, white gold looks noticeably more yellow or greyish than platinum.
Yes — rhodium plating on silver is common for anti-tarnish protection. Silver tarnishes quickly when exposed to air and sulphur compounds. A thin rhodium layer prevents this completely. Sterling silver flatware, picture frames, and jewellery are commonly rhodium-plated for both appearance and durability.
Barely. The rhodium metal used in a jewellery coating weighs approximately 0.0001–0.0005 grams. At $291/gram spot price, that is $0.03–$0.15 in metal value. Even when rhodium was at $29,800/oz ($958/gram) in 2021, the metal cost per ring was under $0.50. Plating costs are driven by labour, equipment, rhodium solution maintenance, and overhead — not spot price.
Signs your rhodium plating needs renewal: yellowish tinge appearing through the white finish (especially at wear points like the band's underside), reduced brightness or shine, visible scratches in the white coating, or skin irritation returning (if you have a nickel sensitivity). A jeweller can inspect thickness with a plating gauge.