Buying an Engagement Ring
Prices, styles, and how to walk in with confidence instead of confusion
Read guide 8 min
Metals guide
White Gold vs Platinum vs Rose Gold — What Actually Matters
The metal you choose affects how your ring looks, feels, and ages over years of daily wear. Here's what the jeweller won't always tell you.
PK
Parth KananiSeptember 2026 · 6 min read
Why it matters
The metal is the thing you live with
People spend weeks choosing the right diamond, then pick the metal in thirty seconds. That's backwards. The diamond sits on top — the metal is what wraps around your finger every day. It's what you feel, what touches your skin, and what changes (or doesn't) over the years.
Each metal has trade-offs. None of them are objectively "best" — but one of them is probably best for you. Let's go through them honestly.
The four metals
What each metal actually gives you
We recommend for most buyers
Platinum (950)
- Naturally white — no plating needed, ever. The colour you see on day one is the colour you get on year ten
- The densest precious metal. It feels substantial on the finger — heavier than gold, which most people prefer
- Hypoallergenic — no nickel, so zero risk of skin reactions
- Scratches develop a satin patina rather than losing material. The metal displaces rather than wearing away, so the ring doesn't thin over decades
- Setting price range: £600-£900 in Hatton Garden
Most popular choice
18K White Gold
- Looks identical to platinum when freshly rhodium-plated — most people cannot tell them apart in a photo
- The rhodium plating wears off after 12-18 months of daily wear, revealing a warm champagne tone underneath. Replating costs £30-£50 and takes under an hour
- Some 18K white gold alloys contain nickel — if you have sensitive skin, ask your jeweller to confirm the alloy composition or choose a palladium-based alloy
- Lighter on the finger than platinum. Some people prefer this, some don't
- Setting price range: £400-£600 in Hatton Garden
Distinctive choice
18K Rose Gold
- The warm pink tone comes from copper in the gold alloy. It's not a plating — the colour goes all the way through and won't wear off
- Slightly more durable than white or yellow gold because copper is a hard metal
- The copper content means rose gold is not hypoallergenic — if she has a copper sensitivity, this one is off the table
- Looks different from every other ring on someone's hand — which is either exactly what you want, or exactly what you don't
- Setting price range: £400-£600 in Hatton Garden
The comeback
18K Yellow Gold
- The classic. Yellow gold was the default for engagement rings for centuries — then white metals took over in the 2000s. It's having a genuine comeback, especially with vintage-inspired settings
- No plating required. The colour is the alloy itself — pure gold mixed with silver and copper. What you see is what you get, permanently
- Yellow gold can make slightly lower-colour diamonds (H-J grade) appear warmer and more intentional, rather than showing up the faint yellow tint that white metals can emphasise
- The most hypoallergenic of all gold alloys — the traditional mix of gold, silver, and copper rarely causes reactions
- Setting price range: £350-£550 in Hatton Garden
Side-by-side
The comparison table
Everything you need in one view. This is how we'd explain it to a friend.
| Platinum | 18K White Gold | 18K Rose Gold | 18K Yellow Gold | |
|---|---|---|---|---|
| Colour | Cool silver-white | Silver-white (plated) | Warm pink | Classic gold |
| Durability | Excellent — metal displaces, doesn't wear away | Good — harder than platinum but loses material when scratched | Very good — copper adds hardness | Good — softer than rose gold, similar to white gold |
| Maintenance | None — develops a natural patina. Polish if preferred | Replating every 12-18 months (£30-£50) | None — colour is permanent | None — colour is permanent |
| After 1 year | Develops a soft satin finish — many people love this | Plating begins to show warm tone underneath | Looks the same — may deepen very slightly | Looks the same — minor surface scratches |
| Weight | Heaviest — noticeable presence on the hand | Medium | Medium | Medium |
| Hypoallergenic | Yes — completely | Check the alloy — some contain nickel | No — contains copper | Yes — traditional alloy is very safe |
| Setting price | £600-£900 | £400-£600 | £400-£600 | £350-£550 |
Price note: These are setting prices only — the metal band and prong work, not including the diamond. Total ring prices depend on your stone. See our Hatton Garden price guide for full ring costs.
The long view
What your ring looks like after one year
This is the part most jewellers skip. Every metal changes with wear. Some changes are beautiful. Some require upkeep. Know which is which before you choose.
Platinum develops character
After a year of daily wear, platinum develops a soft, satin-like finish that jewellers call a patina. It's not damage — it's the metal redistributing on the surface. Many people prefer how platinum looks after a year to how it looks brand new. If you want the mirror finish back, any jeweller can polish it for you in ten minutes. But most platinum owners leave it.
White gold needs a touch-up
After 12-18 months, the rhodium plating on white gold starts to thin. You'll notice a slightly warmer, champagne-toned colour appearing — especially on the underside of the band where it contacts skin and moisture most. This is completely normal. A quick replating at any Hatton Garden jeweller restores it to bright white. Think of it like servicing a car — not a flaw, just maintenance.
Rose gold and yellow gold stay the course
Both rose gold and yellow gold look essentially the same after a year as they did on day one. The colour is the alloy itself, not a surface treatment, so there's nothing to wear off. You'll pick up surface scratches — every metal does — but the overall tone and character remain unchanged. A quick polish once a year brings back the shine if you want it.
Trend worth noting
Yellow gold is back — and it makes sense
For twenty years, white metals dominated engagement rings. Platinum and white gold were the default — anything yellow felt like your grandmother's ring. That's changing.
Yellow gold is the fastest-growing metal choice in Hatton Garden right now. It's driven partly by the vintage revival — oval and cushion-cut diamonds in yellow gold solitaires look intentionally classic, not dated. And partly by practicality: yellow gold needs no replating, pairs naturally with warmer diamond colours, and costs less than platinum.
We think it's a smart choice — especially if you're drawn to it aesthetically. Don't let the white metal default steer you away from what you actually prefer. The ring is going to be on her hand for decades. Choose the metal she'll love looking at, not the one that's currently most common.
Our take
So which metal should you choose?
Here's what we tell people who ask:
- If you want zero maintenance and don't mind the higher price: Platinum. It's the most durable, it never changes colour, and it feels substantial. For most people, the extra £200-£300 over white gold is worth it over the lifetime of the ring.
- If you want silver-white on a tighter spend: 18K white gold is a perfectly good choice. Just accept the replating as part of ownership.
- If she has a strong aesthetic preference: Rose gold or yellow gold. These are statement metals — they say something. If that's what she gravitates toward, no amount of "but platinum is more durable" should override her taste.
- If she has sensitive skin: Platinum or 18K yellow gold. Both are hypoallergenic. Avoid rose gold (copper) and check the specific alloy for white gold (some contain nickel).
Whichever metal you choose, check what you're actually getting: the hallmark inside the band should say 750 for 18ct gold or 950 for platinum. Learn to read a hallmark.
Next steps
Now that you know the metal — what's next?
Related guides
Keep building your knowledge before you visit a jeweller.
Common Questions
Does white gold turn yellow over time?+
Yes. White gold is naturally a warm champagne colour — the bright silver-white you see in shops is a rhodium plating applied on top. That plating wears off over 12-18 months of daily wear, revealing the warmer tone underneath. Replating costs around £30-£50 and takes about an hour at most Hatton Garden jewellers. It's routine maintenance, not a defect.
Is platinum worth the extra cost over white gold?+
It depends on what matters to you. Platinum is denser, more durable, hypoallergenic, and never needs replating. But it's typically £200-£300 more than 18K white gold for the same setting. If you want a ring that stays silver-white forever without maintenance, platinum is worth it. If you don't mind replating every year or two, white gold gives you the same look for less.
Can I mix metals in an engagement ring and wedding band?+
Yes — and it's increasingly popular. A rose gold engagement ring with a white gold or platinum wedding band creates a beautiful contrast. Just make sure the metals are similar in hardness if they sit together daily. Platinum against 9K gold, for instance, will cause the softer gold to wear faster. Stick to 18K gold alongside platinum and you'll be fine.
What is the difference between 9K and 18K gold?+
9K gold is 37.5% pure gold and 62.5% alloy metals, while 18K gold is 75% pure gold and 25% alloy. 18K has a richer colour, is more hypoallergenic (less nickel), and is the standard for engagement rings. 9K is harder and more scratch-resistant, but it's less prestigious and the colour is noticeably paler. For engagement rings, 18K is the standard in Hatton Garden — most jewellers won't even offer 9K for engagement pieces.
Does rose gold suit all skin tones?+
Rose gold is genuinely flattering across a wide range of skin tones — its warm pink hue complements both cool and warm complexions. If you're unsure, visit a jeweller and try on a rose gold band alongside white gold and yellow gold. You'll see immediately which one looks most natural against the skin. There's no wrong answer — it's a personal preference.