Choosing the metal for an engagement ring or wedding band is a decision you will live with every day, and it deserves more thought than a quick glance at a display case. Gold, platinum and palladium each behave differently on the hand and change differently over the years. Understanding how they compare will help you pick a ring you still love in twenty years' time.

Why the Metal You Choose Matters

Four things separate one ring metal from another: colour, weight, hardness and price. Colour is the most obvious, but weight is what people notice most when they first try a ring on. Platinum feels noticeably heavier than gold, and palladium feels lighter than both. That difference matters over decades of daily wear, especially on a ring you never take off.

Hardness affects how quickly a ring picks up scratches and how easily it can be resized or repaired. Cost varies widely, and so does long-term maintenance. A metal that looks lovely on day one but needs replating twice a year is a different commitment from one you can simply polish at home.

Gold: Yellow, White and Rose

Gold is the traditional choice in the UK and the most versatile. It is mixed with other metals to give it strength, and the purity is measured in carats. In practice, you will see three options:

• 9ct gold — 37.5% pure gold. The hardest wearing of the common golds, the most affordable, and the most resistant to scratches. The colour is slightly paler than higher carats.
• 18ct gold — 75% pure gold. A richer, warmer colour and a heavier feel, but softer, so it marks more easily than 9ct.
• 22ct gold — 91.6% pure gold. Beautifully deep in colour but too soft for everyday rings and rarely used for engagement rings.

White gold is yellow gold alloyed with white metals and then plated with rhodium to give it that bright silver-white finish. The plating wears through in time, usually somewhere between twelve and twenty-four months, and needs redoing to keep the colour consistent. Rose gold gets its blush from copper in the alloy and needs no plating at all, which makes it an easy, low-maintenance choice.

Any gold ring sold in the UK over one gram must carry a hallmark from an assay office, showing the metal and its purity.

Platinum: The Weight of Forever

Platinum used for jewellery is typically 95% pure, stamped as 950 platinum, with the hallmark threshold at just half a gram. It is naturally white, so it never needs rhodium plating, and it is dense — the same ring in platinum will feel distinctly heavier than in gold.

Its most appealing quality is how it wears. When platinum is scratched, the metal is displaced rather than lost, so a well-worn platinum ring develops a soft, even patina rather than thinning out. Many people love that aged look; others ask a jeweller to polish it back to a high shine every year or two. Polishing does remove a little metal each time, so it is worth doing sparingly.

Platinum is the most expensive of the three and requires a skilled workshop for resizing and repairs, since it needs very high temperatures to work. Expect to pay more for alterations as well as for the ring itself.

Palladium: Lighter on the Hand, Lighter on the Wallet

Palladium sits in the same family as platinum and is also usually 95% pure. It is naturally white, needs no plating, and looks very similar to platinum to the untrained eye. The key difference is weight: palladium is roughly 40% lighter, which suits people who find a heavy ring uncomfortable, or who want a wide band without the heft.

It is the least expensive of the three metals, which makes it a practical choice for a generous band width on a tighter budget. The trade-offs are that palladium scratches more readily than platinum and can be trickier to resize, because fewer workshops carry the equipment. It also tends to be a little less bright than freshly polished platinum.

Allergies, Budget and Everyday Practicalities

If you have sensitive skin, metal choice matters. Nickel is the most common culprit behind irritated skin under a ring, and it appears in some white gold alloys. Platinum and palladium are both hypoallergenic, and many 18ct white gold rings now use palladium in the alloy instead of nickel, so it is always worth asking.

• Budget: palladium is the most affordable of the three, 9ct gold sits close behind, 18ct gold and platinum cost the most.
• Weight: platinum feels substantial, gold sits in the middle, palladium feels light.
• Maintenance: yellow and rose gold and both white metals need only occasional polishing. White gold needs periodic rhodium plating.
• Matching sets: if you want your engagement ring and wedding band to sit flush and wear evenly, keeping both in the same metal makes life simpler for future resizing and repairs.

Caring for Your Ring

A few minutes of care keeps any metal looking its best. Most rings can be cleaned at home with warm water, a drop of mild washing-up liquid and a soft toothbrush, working gently around the claws where soap and skin oils collect. Rinse and dry with a lint-free cloth.

Take rings off for swimming, household cleaning and DIY. Chlorine and abrasive cleaners dull metal and can weaken settings. Store each ring separately in a soft pouch or lined box, since harder metals will scratch softer ones when they knock together. Have the claws and settings checked by a jeweller once a year, and keep an up-to-date insurance valuation, as replacement costs for platinum and gold do move over time.