18K gold represents premium quality in jewelry. Understand purity standards, hallmarking, and pricing to source with confidence.
Gold Purity Standards
| Karat | Gold % | Hallmark | Use Case |
|---|---|---|---|
| 24K | 99.9% | 999 | Investment, too soft for jewelry |
| 18K | 75% | 750/18K | Premium jewelry, best balance |
| 14K | 58.3% | 585/14K | Durable everyday jewelry |
| 10K | 41.7% | 417/10K | Budget jewelry |
Color Alloys
Yellow gold: copper+silver. White gold: nickel/palladium+zinc (palladium is hypoallergenic but costs more). Rose gold: high copper content. Each alloy affects price and appearance.
Wholesale Pricing
18K gold follows spot price + fabrication. Current: $45-60/gram depending on color. Labor adds $30-100/piece. Holycome offers volume pricing at 50+ pieces.
Frequently Asked Questions
Does 18K tarnish?
Yellow/rose don't. White gold needs rhodium re-plating every 1-2 years.
Is 18K good for daily wear?
Yes — durable enough while maintaining rich color.
Conclusion
Holycome manufactures hallmarked 18K gold jewelry. Contact service@holycome.com for wholesale pricing.
