14k vs 18k vs platinum for ring settings: what to know
The metal you choose changes how a ring wears, how heavy it is and how it should be modelled. These are the general differences. Your jeweller and caster can give exact values for their alloys.
14k gold
About 58% gold, mixed with other metals. It is harder and more resistant to scratches than 18k, and it usually costs less. The colour is slightly paler.
18k gold
About 75% gold. It has a richer colour, and it is softer than 14k. Prongs and fine work may need slightly more thickness to stay strong.
Platinum
A dense, naturally white metal, usually used at a high purity. It is heavier than gold, which feels substantial and uses more weight in the model. Platinum is strong and holds stones securely, but it costs more.
Comparison
| 14k gold | 18k gold | Platinum | |
|---|---|---|---|
| Colour | Slightly paler | Richer | Natural white |
| Hardness | Harder gold | Softer than 14k | Strong, wears by displacement |
| Weight | Lighter | Medium | Heaviest |
| Cost | Lower | Higher | Highest |
What to tell your designer
State the metal in your brief. It affects weight, price and the thickness of fine parts, and renders can show it in each gold colour.
Frequently asked questions
Which metal is best for an everyday ring?
14k gold and platinum are both popular for daily wear. The right choice depends on budget, colour and how you use the ring.
Does the metal change the CAD model?
Not the design, but it changes the weight and sometimes the thickness you should use for fine parts.
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