Rhodium plating is a common surface treatment in jewelry manufacturing, widely used on 18K white gold, silver jewelry, and some platinum pieces. But why is jewelry rhodium plated? How does it affect the appearance, durability, and value of jewelry? Let’s dive into the details.
What is Rhodium Plating?
Rhodium (Rh) is a rare and precious metal from the platinum group, known for:
- Exceptional shine – Brighter than platinum and silver, giving jewelry a more radiant look.
- Strong corrosion resistance – Resists oxidation, tarnishing, and daily wear.
- High hardness – Mohs hardness of ~6, making it more scratch-resistant than gold (2.5-3) and platinum (4-4.5).
Rhodium plating is typically applied via electroplating, coating jewelry with a 0.05-0.5 micron layer to enhance appearance and durability.
Why do jewelry need to be rhodium-plated? 🤔
(1) Enhances Shine for a Brighter Look
18K white gold naturally has a yellowish tint (due to 75% gold content). Rhodium plating gives it a cool, bright white finish.
Prevents silver from tarnishing – Silver reacts with sulfur and turns black; rhodium plating slows this process.
(2) Improves Scratch Resistance & Longevity
Rhodium is harder than gold and platinum, reducing scratches and wear from daily use.
Ideal for rings and bracelets, which experience frequent friction.
(3) Reduces Skin Allergies & Improves Comfort
Some 18K white gold contains nickel, which can cause allergies. Rhodium plating blocks nickel exposure.
Silver jewelry plating minimizes skin contact with silver ions, preventing darkening or irritation.
(4) Ensures Consistent Color for Premium Appeal
Different batches of 18K white gold may vary in color. Rhodium plating ensures a uniform white finish.
(5) Protects Gemstone Settings
The rhodium layer helps secure prongs and delicate settings, reducing the risk of gemstone loosening.
Especially important for pavé-set diamonds and intricate designs.
👇Rhodium plating is a “beauty + protection” treatment widely used in jewelry, especially for 18K white gold and silver. It enhances shine, scratch resistance, and hypoallergenic properties, but requires periodic maintenance.
Tips: ✅ Avoid chemicals (perfume, detergent, chlorine).
✅ Clean with a soft cloth to remove sweat and oils.
✅ Store separately to prevent scratches.
✅ Check plating every 1-2 years and re-plate when needed.
Is your jewelry rhodium plated? Share your experience in the comments!💗
