Buying Jewellery

Understanding Gold Purity: 24K, 22K, 18K Explained

Complete guide to gold purity, karats, and what they mean for your jewellery purchase

Updated January 7, 2026
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What is Gold Purity?

Pure gold is 24 karat (24K), meaning it's 99.9% gold. However, pure gold is too soft for everyday jewelry. That's why gold is mixed with other metals to create durable alloys.


Gold Purity Chart

KaratGold %PurityBest For
24K99.9%PureInvestment, coins
22K91.6%HighTraditional Indian jewelry
18K75.0%MediumDaily wear, diamond settings
14K58.3%LowerBudget-friendly, western styles

22K Gold - The Indian Standard

  • Traditional preference for high purity
  • Rich, deep yellow color
  • High resale value
  • Cultural significance

Characteristics

  • Color: Deep, rich yellow
  • Durability: Slightly soft, prone to scratches
  • Best for: Heavy necklaces, bangles, wedding jewelry
  • Price: Higher due to gold content

22K Gold Examples22K Gold Examples


18K Gold - Modern Choice

Why Choose 18K

  • More durable than 22K
  • Ideal for stone settings
  • Available in multiple colors
  • International standard

Color Options

TypeCompositionColor
YellowGold + Silver + CopperWarm yellow
WhiteGold + Palladium/NickelSilver-white
RoseGold + CopperPink/rosy

18K Gold Colors18K Gold Colors


How to Verify Purity

Hallmarking

Look for BIS (Bureau of Indian Standards) hallmark:

  1. BIS Logo - Certification mark
  2. Purity Grade - 916 (22K), 750 (18K)
  3. Assayer Mark - Testing center ID
  4. Jeweller Code - Maker identification

Hallmark ExampleHallmark Example

Always ask for: Hallmarked jewelry with proper documentation and invoice.


Price Comparison

For a 10-gram piece (example rates):

PurityGold ContentApproximate Price*
22K9.16g pure₹52,000
18K7.50g pure₹42,500
14K5.83g pure₹33,000

*Prices are indicative and vary with market rates


Which Purity Should You Choose?

Choose 22K If:

  • You want traditional Indian jewelry
  • Resale value is important
  • You're buying wedding jewelry
  • You prefer deep yellow color

Choose 18K If:

  • You want diamond/stone jewelry
  • Durability is priority
  • You prefer modern designs
  • You like white or rose gold

Choose 14K If:

  • Budget is a constraint
  • You want trendy, fashion jewelry
  • Durability is top priority
  • You prefer western designs

Care Tips by Purity

22K Gold Care

  • Store separately (soft metal)
  • Avoid harsh chemicals
  • Regular professional cleaning
  • Check for dents/scratches

18K Gold Care

  • Can handle daily wear better
  • Clean with mild soap
  • Annual professional polish
  • Check stone settings regularly

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