Jewelry Metals: The Complete 2026 Buyer's Guide

Gold — the karat system explained

Pure gold is too soft for jewelry. It's alloyed with other metals — copper, silver, palladium, nickel — to give it durability and color. Karats describe what fraction of the alloy is actually gold:

• 24K (99.9% gold): The richest color, the softest metal. Wedding bands in cultures where 24K is traditional. Not durable enough for daily prong settings.
• 22K (91.7%): Common in South Asian and Middle Eastern jewelry. Beautifully warm, still relatively soft.
• 18K (75%): The luxury sweet spot — saturated yellow, durable enough for daily wear, the standard for European fine jewelry.
• 14K (58.5%): The American daily-wear standard. Durable, hypoallergenic when alloyed correctly, the right balance of color and longevity.
• 10K (41.7%): US legal minimum. Pale, very hard, the lowest-cost solid gold tier.

The alloy color depends on the non-gold portion. Mostly copper → rose gold. Mostly silver and palladium → white gold. Mixed alloys → yellow gold. See our dedicated gold jewelry guide, and read gold plated vs solid gold for the difference between solid, filled, vermeil, and plated pieces.

Platinum — the heaviest, longest-lasting white metal

Platinum is denser than gold (21.45 g/cm³ vs 19.3) — a platinum ring feels noticeably heavier than the same design in gold. It's also naturally hypoallergenic in 95% alloys, and unlike white gold it never needs re-plating. Where white gold thins gradually over decades of wear, platinum develops a soft patina — the same metal, slightly matte. Many wearers prefer it; others have it polished back to bright every few years.

Full breakdown in our platinum jewelry guide. For engagement settings specifically, see the metal section in our engagement rings pillar.

Silver — accessible, expressive, but reactive

Sterling silver (925, marked .925 or ster.) is 92.5% silver with 7.5% copper. It's the most affordable precious metal — a comparable silver chain runs about a tenth of 14K gold. The trade-off is reactivity: silver oxidizes over time and needs polishing to stay bright. Sterling is also softer than gold, so prong settings on rings will loosen faster.

Silver works best for fashion pieces, stacks, and statement chains where weight and drama matter more than longevity. Read our silver jewelry guide for hallmarks, storage, and when sterling is the right call.

Titanium and the men's alternative metals

Titanium is the lightest hypoallergenic option — about a third the weight of gold for the same volume. It's extremely scratch-resistant and corrosion-proof, but difficult to resize and impossible to repair (no metal can be added to a titanium band). It's become the standard for active-lifestyle wedding bands and fashion-forward men's pieces.

See our titanium jewelry guide for shaping, finishes, and care.

What to ask before buying any metal piece

• Karat or fineness: 14K, 18K, .925, Pt950 — must be hallmarked and disclosed.
• Alloy composition: nickel content matters for sensitive skin.
• Plating layer (if any): rhodium re-plating on white gold every 2–4 years.
• Resize policy: some metals (titanium, tungsten) can't be resized.
• Return window: 30 days minimum, longer for engagement-grade pieces.

Continue with our metals coverage