What is the difference between 24K and 22K gold?
24K gold is 99.9% pure (999), while 22K gold is 91.6% pure (916) and is harder, so it is used for jewellery.
The main difference is purity: 24K gold is 99.9% pure (999), while 22K gold is 91.6% pure (916).
Because 22K gold is harder, it is used for jewellery.
In short
- 24K gold: 99.9% purity (999).
- 22K gold: 91.6% purity (916).
- 22K gold is harder and is used for jewellery.
Last reviewed 27 September 2026 by the AIB desk.
