Platinum or White Gold,
and What Your Ring
Costs to Keep

The Honest Difference

Platinum and 18ct white gold look nearly identical in the showroom. What you are choosing between is how they behave over the following decades.

Platinum is used at around 95% purity, is noticeably denser and heavier on the hand, and is naturally white all the way through. It costs more at the counter, though the gap has narrowed in recent years as gold prices have climbed. When platinum scratches, the metal is displaced rather than lost, which is why a platinum band can be polished back for a lifetime. Left alone, it develops a soft grey patina that many people grow to love and any jeweller can polish away in minutes if you do not.

18ct white gold is 75% gold, alloyed with white metals and finished with a thin layer of rhodium plating to give it that bright mirror white. The plating wears off with ordinary wear, typically over one to three years depending on your hands and habits, at which point the ring starts to look faintly warm or yellow at the edges. Re-plating is routine and inexpensive, usually somewhere in the £30 to £80 range at a London workshop, but it is a recurring appointment for the life of the ring. 9ct white gold behaves the same way with a lower gold content and a harder wearing alloy.

Yellow and rose gold opt out of this entirely. What you buy is what you keep: no plating, no colour change beyond a gentle mellowing, and scratches that polish out. If the design she loves happens to be yellow gold, the maintenance argument is already settled.

Which to Choose

If the budget reaches it and the taste is for white metal, platinum is the lower-maintenance life decision: heavier, naturally white, and polishable forever. If the budget is tight, white gold done knowingly is a perfectly good choice; you are trading a lower price now for a small recurring upkeep cost, and rings can be re-plated during a routine clean. What does not serve you is choosing white gold without being told about the plating, which is how the trade generates its most predictable complaint.

Ask two questions at the counter and the decision mostly makes itself. "What will this ring need in five years?" and "Is re-plating included in your aftercare?" Some jewellers include the first re-plate or an annual clean and check; some charge for everything. Neither answer is wrong, but you want it in writing either way, and a jeweller who answers both questions plainly is showing you how they will treat you after the sale. Our guide to vetting a jeweller covers the rest of that conversation.

Resizing: The Constraint Nobody Mentions

Fingers change. Temperature swings them half a size, and weight change, pregnancy and age move them further. Rings get resized several times over a marriage, so the resizability of the design you choose matters more than almost anyone says at the point of sale.

A plain-shanked solitaire in gold or platinum resizes easily, usually up or down a size or two without drama. The designs that resist are the ones where the decoration goes round the band: a full eternity ring with stones the whole way around cannot be resized in any meaningful way, and pavé that extends far down the shoulders limits how far a jeweller can go. Tension settings and some tungsten, titanium and carbide bands cannot be resized at all. None of this is a reason to avoid those designs; it is a reason to get the size right first, and to ask "how far can this design be resized?" before committing to it. If the proposal is a surprise and the size is a guess, a design that resizes generously is the safer bet, and our practical buying advice guide covers how to find her size discreetly.

Durability, Honestly

No ring metal is indestructible, and the harder-is-better instinct misleads here. Gold and platinum are both soft enough to scratch in daily wear, and both are easily restored; that is the deal with precious metals, and a band that has worn matt simply needs a polish. What genuinely damages rings is impact and abrasion at the setting: claws that catch, loosen, and eventually release a stone. Gym sessions, house moves, gardening and DIY are when it happens, and the accounts of a stone lost to a deadlift are common enough that the advice writes itself. Take the ring off for heavy work, and have the claws checked once a year; most good jewellers will do it free in minutes, often with a clean thrown in.

Stones have their own durability ranking, which matters if you are looking beyond diamonds: sapphire wears well for daily life, emerald and opal need real care. The coloured stone guide covers which stones suit an everyday ring and which do not.