Updated September 8, 2026 · By Bulawan
Side-by-side comparison
| Factor | 18K | 21K |
|---|---|---|
| Purity | 75% | 87.5% |
| Reference price per gram | 75% of 24K | 87.5% of 24K |
| Color | Lighter yellow, available in white/rose | Richer, deeper yellow |
| Durability | Harder, better for daily wear | Softer, dents and bends more easily |
| Resale value per gram | Lower | Higher |
| Common source | Philippine jewelers | Saudi Arabia, UAE, Qatar ('Saudi gold') |
Which should you choose?
- Choose 21K if the jewelry doubles as savings and you may sell or pawn it later.
- Choose 18K for rings and pieces worn every day, or if you want white or rose gold.
- Either way, compare the price per gram you are paying with today's market reference.
Frequently asked questions
- Is Saudi gold 18K or 21K?
- Both exist. Most 'Saudi gold' sold to Filipinos is 21K or 18K; always check the stamp (875 or 750).
- Does 21K gold pawn for more than 18K?
- Yes, gram for gram. 21K contains 87.5% gold versus 75% for 18K, so the appraised value is higher for the same weight.
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