---
title: "Platinum vs White Gold: How to Tell the Difference and Which Is More Valuable"
source: "https://goldealers.co.uk/knowledge/platinum-palladium/platinum-vs-white-gold"
date: "2025-12-02"
---

# Platinum vs White Gold: How to Tell the Difference and Which Is More Valuable

Platinum and white gold appear remarkably similar - both offer the coveted silvery-white aesthetic for jewellery, particularly engagement rings and wedding bands. Yet they're fundamentally different metals with distinct properties, values, and characteristics. Confusing one for the other can lead to significant errors when buying, selling, or valuing jewellery, as their prices and qualities vary considerably.

This comprehensive guide resolves the platinum versus white gold confusion definitively. You'll learn to distinguish them through hallmarks, physical properties, and appearance; understand their composition and purity differences; compare their values and market prices; and know exactly what you have before selling. Whether you've inherited jewellery of unknown metal type, received a piece as a gift, or simply want to understand what you own, this guide provides clarity.

> **Quick Identification:** Check hallmarks first - platinum marked "Pt", "Plat", or "950"; white gold marked with karat stamps like "18K" or "750". Platinum feels noticeably heavier than white gold of similar size. Professional XRF testing provides instant, definitive identification.

## What Is Platinum?

Understanding platinum's nature helps distinguish it from white gold:

### Platinum Basics

**Natural Element:**
- Pure precious metal (atomic element 78)
- Naturally white/grey colour
- Extremely rare (30 times rarer than gold)
- Mined primarily in South Africa, Russia
- Highly valued for purity and rarity

**Jewellery Platinum:**
- Typically 95% pure (950 platinum)
- 5% alloy metals (iridium, ruthenium, or cobalt)
- Very high purity for jewellery
- Natural colour doesn't require plating

### Platinum Properties

**Physical Characteristics:**
- Dense: 21.45 g/cm³ (pure platinum)
- Heavy: noticeably weighty for size
- Durable: resistant to wear and corrosion
- Develops patina: shows use but doesn't wear away
- Hypoallergenic: suitable for sensitive skin

**Appearance:**
- Natural grey-white colour
- No plating required
- Scratches show same platinum beneath
- Maintains colour permanently
- Matte lustre (can be polished to shine)

## What Is White Gold?

White gold differs fundamentally from platinum:

### White Gold Basics

**Alloyed Gold:**
- Yellow gold mixed with white metals
- Not naturally white (gold is yellow)
- Created to achieve white appearance
- More affordable than platinum
- Popular alternative to platinum

**White Gold Composition:**
- Base: yellow gold (typically 75% for 18ct, 58.5% for 14ct)
- Whitening metals: nickel, palladium, zinc, silver, copper
- Percentages vary by karat and alloy type
- Results in off-white to light grey colour
- Usually rhodium-plated for bright white finish

### White Gold Properties

**Physical Characteristics:**
- Density: ~15-16 g/cm³ (18ct white gold)
- Lighter than platinum (same size piece weighs less)
- Durable but softer than platinum
- Wears down gradually over time
- May cause allergies if nickel-based

**Appearance:**
- Base colour: off-white or light grey
- Rhodium plating: bright white surface (most common)
- Plating wears over time (yellowish tinge shows)
- Requires re-plating every 1-3 years for brightness
- Can be kept unplated (subtler colour)

> **Key Difference:** Platinum is naturally white and doesn't need plating; white gold is alloyed yellow gold usually rhodium-plated to achieve bright whiteness. This fundamental difference affects appearance, maintenance, and long-term value.

## Visual Differences: How to Tell Them Apart

Several visual cues help distinguish platinum from white gold:

### Colour Comparison

**Platinum:**
- Natural grey-white colour
- Consistent throughout metal
- No bright white flash (unless highly polished)
- Slightly darker/greyer than rhodium-plated white gold
- Scratches reveal same grey-white beneath

**White Gold:**
- If rhodium-plated: bright, mirror-like white (shinier than platinum)
- Plating wears at high points: yellowish base shows
- Unplated: warmer tone, less white than platinum
- Scratches may show yellowish gold beneath plating

### Wear Patterns

**Platinum Wear:**
- Develops patina (dulled surface from micro-scratches)
- Metal pushed around, not lost
- Scratches show platinum underneath
- Edges and high points dull but same colour
- Weight remains essentially constant

**White Gold Wear:**
- Rhodium plating wears away at edges, bezels, prongs
- Yellowish gold base becomes visible
- Edges may show gold colour even when centre white
- Loses tiny amounts of metal to wear
- May need re-plating and re-polishing

### Weight and Heft

**Platinum Feel:**
- Noticeably heavy for size
- Substantial, solid feel
- Dense metal creates obvious weight

**White Gold Feel:**
- Lighter than platinum (same size piece)
- Less substantial heft
- Still feels solid but not as heavy

**Practical Test:**
- Hold similar-sized platinum and white gold rings
- Platinum feels significantly heavier
- Difference unmistakable once experienced

## Hallmark Identification

Hallmarks provide definitive identification:

### Platinum Hallmarks

**UK Platinum Marks:**
- **"Pt"** - abbreviation for platinum
- **"Plat"** or **"Platinum"** - full word
- **"950"** - most common (95% platinum)
- **"900"** or **"850"** - less common purities
- **Orb symbol** - common UK platinum mark

**Location:**
- Inside ring bands
- On chain clasps
- Hidden areas of jewellery
- May be very small (use magnifying glass)

**Additional Marks:**
- Assay office symbol (leopard, anchor, castle, etc.)
- Maker's mark (manufacturer initials)
- Date letter (year of assay)

### White Gold Hallmarks

**UK Gold Marks:**
- **"18K"** or **"18ct"** - 75% gold
- **"14K"** or **"14ct"** - 58.5% gold
- **"9K"** or **"9ct"** - 37.5% gold
- **"750"** - numeric for 18ct
- **"585"** - numeric for 14ct
- **"375"** - numeric for 9ct

**NOT Platinum If:**
- Any karat stamp present
- Numeric gold marks (375, 585, 750, 916, 999)
- "Au" symbol (gold's chemical symbol)

**Location:**
- Same areas as platinum (inside bands, clasps)
- Often also show assay office marks

[Complete guide to UK gold hallmarks](/knowledge/gold/understanding-gold-hallmarks-uk)

### Reading Ambiguous or Worn Hallmarks

**Unclear Stamps:**
- Very small marks require magnification
- Wear can make hallmarks illegible
- Inside ring bands may be polished away
- Old or foreign pieces may lack UK hallmarks

**Solution:**
- Professional XRF testing (instant identification)
- Visual inspection of metal properties
- Weight comparison
- Goldealers offers free testing

## Physical Testing Methods

Beyond hallmarks, physical tests distinguish the metals:

### Weight Test (Simple, Reliable)

**How to Perform:**
1. Use digital scale (0.01g precision ideal)
2. Weigh ring or item
3. Estimate volume by measurement or water displacement
4. Calculate approximate density

**Expected Densities:**
- Platinum 950: ~20.6 g/cm³
- 18ct white gold: ~15-16 g/cm³
- 14ct white gold: ~13-14 g/cm³
- 9ct white gold: ~11.5-12.5 g/cm³

**Practical Application:**
- If two similar rings, one platinum one white gold
- Platinum ring noticeably heavier
- Difference clear even without calculation

### Magnet Test (Preliminary Screen)

**Process:**
- Apply strong neodymium magnet to item
- Observe any attraction

**Results:**
- Neither platinum nor gold magnetic
- If attracted: not platinum or gold (ferrous metal or plated)
- If not attracted: could be either (test doesn't distinguish them)

**Limited Use:**
- Eliminates obvious fakes
- Cannot determine platinum vs white gold
- Supplementary test only

### Visual Inspection

**Look For:**
- Colour uniformity (platinum consistent, white gold may show gold at wear points)
- Plating condition (white gold often shows wear, platinum doesn't have plating)
- Scratch appearance (both show scratches, but colour beneath differs)
- General heft and feel

### Professional XRF Testing (Definitive)

**How It Works:**
- X-ray fluorescence analysis
- Identifies elemental composition instantly
- Shows percentages of all metals present

**Results:**
- **Platinum:** Reads ~95% Pt, 5% iridium/ruthenium
- **White Gold:** Reads ~75% Au (gold), 25% other metals (for 18ct)
- Instant, definitive identification
- No guesswork

**Where to Get XRF Testing:**
- Goldealers offers free XRF testing
- Most reputable precious metal dealers have XRF
- Instant results while you watch
- No damage to items

[How platinum and palladium are tested professionally](/knowledge/testing/testing-platinum-palladium)

## Composition and Purity Comparison

Understanding what each metal actually contains:

### Platinum Purity

**950 Platinum (Standard):**
- 95% pure platinum
- 5% alloy (usually iridium, ruthenium, or cobalt)
- Very high purity for jewellery
- Excellent metal content

**Other Platinum Purities:**
- 900 platinum (90% pure) - older pieces
- 850 platinum (85% pure) - uncommon
- Higher percentage = more platinum value

### White Gold Purity

**18 Carat White Gold (Common):**
- 75% gold (18 parts gold of 24)
- 25% alloy metals (palladium, nickel, zinc, silver, copper)
- Good balance of purity and durability

**14 Carat White Gold:**
- 58.5% gold
- 41.5% alloy metals
- More durable, less valuable per gram

**9 Carat White Gold (UK):**
- 37.5% gold
- 62.5% alloy metals
- Minimum legal gold content for UK hallmarking
- Significantly less valuable than 18ct

### Purity Impact on Value

> **Scrap Value Reality:** Platinum jewellery's 95% purity means high intrinsic value. White gold at 75% (18ct) has less precious metal content per gram, though gold's higher price per ounce can sometimes compensate depending on market conditions.

**Example Comparison:**
- 10g platinum 950 ring: 9.5g pure platinum
- 10g 18ct white gold ring: 7.5g pure gold
- Both have significant value, but calculated differently based on respective metal markets

## Value Comparison: Which Is Worth More?

The platinum versus white gold value question has no fixed answer:

### Market Price Factors

**Platinum Price:**
- Fluctuates independently of gold
- Sometimes higher than gold per ounce
- Sometimes lower than gold per ounce
- More volatile than gold historically
- Influenced by industrial demand (automotive catalysts)

**Gold Price:**
- Generally more stable than platinum
- Strong investment demand supports price
- Less tied to industrial cycles
- Global reserve asset

**Current Market Context (2025):**
- Platinum often trades at discount to gold currently
- However, platinum jewellery higher purity (95% vs 75%)
- Net result varies with market conditions

### Scrap Value Calculation

**Platinum Ring Example:**
```
10g ring × 0.95 purity = 9.5g pure platinum
If platinum £25/gram: 9.5g × £25 = £237.50 market value
Dealer offers 90%: £237.50 × 0.90 = £213.75
```

**18ct White Gold Ring Example:**
```
10g ring × 0.75 purity = 7.5g pure gold
If gold £48/gram: 7.5g × £48 = £360 market value
Dealer offers 90%: £360 × 0.90 = £324
```

**In This Example:**
- White gold ring worth more due to gold's higher price
- If platinum were £32/gram: platinum ring would be worth more
- Relative value changes with market prices

### Factors Affecting Individual Value

**For Scrap Sales:**
- Weight of item
- Purity (hallmark)
- Current market prices of platinum and gold
- Dealer's offer percentage
- Condition irrelevant (scrap value is metal content)

**For Retail Sales:**
- Designer brand (Tiffany, Cartier, etc.)
- Craftsmanship and design
- Condition and wearability
- Gemstones (separate from metal value)
- Market demand for particular style

## Durability and Longevity

How each metal holds up over time:

### Platinum Durability

**Strengths:**
- Highly resistant to corrosion
- Doesn't tarnish or discolour
- Minimal metal loss from wear (metal displaced, not removed)
- Maintains weight over decades
- Prongs stay strong (secures stones well)

**Considerations:**
- Develops patina (dulled surface from use)
- Scratches visible (but metal not lost)
- Can be re-polished to restore shine
- Some prefer patina's vintage look

### White Gold Durability

**Strengths:**
- Hard and scratch-resistant (especially lower karats)
- Durable for daily wear
- Cost-effective longevity

**Considerations:**
- Rhodium plating wears away (requires re-plating £40-80)
- Small amounts of metal lost to wear over time
- Prongs may wear thin faster than platinum
- Base colour may show as plating wears

### Maintenance Requirements

**Platinum:**
- Clean periodically with soap and water
- Re-polish if desired (optional, removes patina)
- Prong checking for stone settings
- Minimal ongoing maintenance

**White Gold:**
- Rhodium re-plating every 1-3 years (if keeping bright white)
- Regular cleaning
- Prong checking more critical
- Slightly higher lifetime maintenance cost

## Allergies and Sensitivity

Metal composition affects skin reactions:

### Platinum (Hypoallergenic)

**Allergy Profile:**
- Rarely causes allergic reactions
- 95% pure platinum gentle on skin
- Alloy metals (iridium, ruthenium) generally non-reactive
- Excellent for sensitive skin

**Suitable For:**
- People with metal allergies
- Those with nickel sensitivity
- Long-term everyday wear
- People prone to skin reactions

### White Gold (May Cause Reactions)

**Alloy Considerations:**
- Depends on specific alloy used
- **Nickel white gold:** common allergen (causes reactions in ~10-15% of people)
- **Palladium white gold:** generally hypoallergenic (more expensive alloy)
- Reactions vary by individual

**Symptoms of Nickel Allergy:**
- Redness, itching where jewellery contacts skin
- Rash or blisters
- Skin discolouration
- Typically develops after repeated exposure

**Solution if Allergic:**
- Switch to palladium white gold (if affordable)
- Choose platinum (best for allergies)
- Use barrier methods (nail polish on contact areas - temporary)
- Avoid nickel-based white gold

> **Nickel Regulation:** EU regulations limit nickel release from jewellery, reducing allergy risk. However, older pieces or non-EU jewellery may contain higher nickel levels. If allergic to nickel, platinum is safest choice.

## When Selling: What Matters

Key considerations when selling each metal:

### Selling Platinum

**What Buyers Look For:**
- Platinum hallmark (950, Pt, Plat)
- Weight (every gram counts)
- Purity confirmation via testing
- Gemstones to remove or return

**Advantages:**
- High purity (95%) means good metal content
- Clear identity (marked platinum)
- Buyers familiar with platinum value
- Typically good offers (90-95% of content value)

**Considerations:**
- Platinum price volatility (check current rates)
- Not all dealers buy platinum (choose specialist)
- Market may value platinum below gold currently

### Selling White Gold

**What Buyers Look For:**
- Gold hallmark (9ct, 14ct, 18ct, or numeric)
- Karat/purity clearly marked
- Weight
- Gold content calculation

**Advantages:**
- Gold well-understood and universally bought
- Strong market demand
- Many buyers available
- Generally stable gold prices

**Considerations:**
- Lower purity (75% for 18ct vs 95% for platinum)
- Must know exact karat for accurate valuation
- Rhodium plating irrelevant to scrap value

### Getting Accurate Valuation

**Essential Steps:**
1. Identify metal definitively (hallmark or XRF testing)
2. Determine exact weight
3. Check current market prices (platinum and gold)
4. Calculate precious metal content (weight × purity)
5. Obtain quotes from reputable dealers

**Goldealers Process:**
- Free XRF testing (instant metal identification)
- Precise weighing
- Transparent calculation based on live prices
- Competitive offer (typically 90-95% of content value)
- Same-day payment

[Complete guide to selling platinum](/knowledge/platinum-palladium/selling-platinum-jewellery)

## Common Misconceptions

Clearing up confusion about these metals:

### "Platinum Always More Valuable Than Gold"

**Reality:**
- Not true - depends on current market prices
- Platinum sometimes trades below gold price
- Jewellery purity matters (platinum 95%, white gold 75%)
- Calculate actual value based on weight, purity, current prices

### "White Gold Is Fake or Inferior"

**Reality:**
- White gold is real gold alloyed with white metals
- Not fake or imitation
- Different from platinum but legitimate precious metal
- Appropriate choice for budget or preference

### "You Can't Tell Them Apart"

**Reality:**
- Hallmarks definitively distinguish them
- Weight difference noticeable
- Wear patterns differ
- XRF testing provides instant confirmation
- With knowledge, identification straightforward

### "Platinum Never Scratches"

**Reality:**
- Platinum does scratch (all metals do)
- Scratches perhaps more visible (metal displaced, creating surface texture)
- Advantage: metal not lost, just moved around
- Can be polished out if desired

## Choosing Between Platinum and White Gold (If Buying)

If purchasing jewellery, consider:

### Choose Platinum If:
✅ You want highest purity and quality
✅ Budget allows premium price
✅ You have nickel allergies
✅ You prefer low-maintenance jewellery
✅ You like grey-white natural colour
✅ It's for everyday wear (engagement ring)

### Choose White Gold If:
✅ Budget-conscious (generally 30-50% less expensive retail)
✅ You want bright white appearance (with rhodium)
✅ You don't mind periodic re-plating
✅ No metal allergies (or choose palladium white gold)
✅ Prefer lighter-weight jewellery
✅ It's for occasional wear

## Next Steps

Now you understand platinum versus white gold comprehensively. Whether selling, buying, or simply curious about what you own, you're equipped with knowledge to make informed decisions.

**What to do next:**
1. Check hallmarks on your jewellery with magnifying glass
2. Note weight and general feel of items
3. Observe wear patterns and colour consistency
4. If still uncertain, get free XRF testing from Goldealers
5. Understand current market prices before selling

**Useful Resources:**
- [How to sell platinum jewellery](/knowledge/platinum-palladium/selling-platinum-jewellery)
- [Professional platinum testing methods](/knowledge/testing/testing-platinum-palladium)
- [Understanding gold hallmarks](/knowledge/gold/understanding-gold-hallmarks-uk)
- [Getting best price for gold](/knowledge/gold/best-price-scrap-gold)

---

## Frequently Asked Questions

**Q: How can I tell if my ring is platinum or white gold?**

A: Check the hallmark inside the ring band using a magnifying glass. Platinum is marked "Pt", "Plat", "Platinum", or "950" (for 95% purity). White gold shows karat marks like "18K", "14K", "9K", or numeric equivalents "750", "585", "375". Platinum also feels noticeably heavier than white gold of similar size due to its higher density. If hallmarks are unclear or absent, Goldealers offers free XRF testing which instantly and definitively identifies whether your ring is platinum, white gold, or any other metal.

**Q: Which is better value, platinum or white gold?**

A: "Better value" depends on context. For retail purchase, white gold typically costs 30-50% less than platinum, making it more budget-friendly whilst still providing white metal aesthetic. For scrap sale value, it varies with market prices - platinum jewellery is 95% pure versus white gold 75% pure (18ct), but gold sometimes trades at higher prices than platinum per gram. Calculate actual value based on weight, purity, and current market prices of each metal. Neither is inherently "better" - they serve different needs and preferences.

**Q: Is white gold just plated or is it real gold?**

A: White gold is real, solid gold throughout - not plated (though it's often rhodium-plated for bright white finish). White gold is created by alloying yellow gold with white metals like palladium, nickel, zinc, or silver. For example, 18 carat white gold contains 75% gold mixed with 25% white metals, making it naturally light-coloured. The rhodium plating often applied is a thin surface coating for extra whiteness and scratch resistance, but underneath is genuine white gold alloy. So white gold is authentic precious metal, not an imitation or fake.

**Q: Does platinum stay white or does it turn yellow like white gold?**

A: Platinum stays white permanently - it's naturally a grey-white colour that never changes. It doesn't turn yellow because it IS white; it's not plated or coated. White gold's base colour is off-white (since it's alloyed yellow gold), and rhodium plating wears away over time, potentially revealing the yellowish gold beneath. That's why white gold may need re-plating to maintain bright whiteness. Platinum requires no re-plating and maintains its natural grey-white colour for life. Platinum can develop a patina (dulled finish from micro-scratches) but this doesn't change the colour - just makes it less shiny.

**Q: Why is platinum jewellery more expensive than white gold?**

A: Platinum jewellery costs more than white gold for several reasons: platinum is approximately 30 times rarer than gold (limited supply drives price up), platinum jewellery is 95% pure versus white gold 75% pure (more precious metal per item), platinum's higher density means more weight for same size (more material used), and platinum is harder to work with (higher melting point, specialized equipment needed, skilled labour costs). These factors typically make platinum jewellery retail 40-50% more expensive than equivalent 18ct white gold pieces. However, for scrap value, the gap narrows depending on relative market prices.

**Q: Is platinum better for engagement rings than white gold?**

A: Platinum is generally considered superior for engagement rings due to practical advantages: it's hypoallergenic (safe for sensitive skin), extremely durable (prongs hold stones securely), requires minimal maintenance (no re-plating needed), and never loses metal to wear (just develops patina). However, white gold is perfectly suitable for engagement rings too, especially palladium white gold (also hypoallergenic). White gold offers significant cost savings (30-50% less expensive), lighter weight (some prefer), and bright white appearance when rhodium-plated. Choice depends on budget, priorities, and personal preference - both are excellent options with platinum being the premium choice.

**Q: Can platinum be melted down and reused like gold?**

A: Yes, platinum can be melted down and refined just like gold. When you sell platinum scrap to dealers like Goldealers, it's typically sent to refineries where it's melted, purified, and reformed into new platinum bars or products. The recycling process for platinum is similar to gold refining - platinum's high melting point (1768°C vs gold's 1064°C) requires specialized equipment, but refineries handle this routinely. Platinum's durability actually makes it ideal for recycling as it doesn't degrade or lose purity through melting. Recycled platinum is chemically identical to newly mined platinum and widely used in manufacturing new jewellery, industrial products, and investment bullion.

---

*Published by Goldealers Ltd · https://goldealers.co.uk/knowledge/platinum-palladium/platinum-vs-white-gold*