Near-pure gold, usually seen in bars and coins rather than everyday jewellery.
Explore 24K goldGold education
Gold Purity Guide
Understand 14K, 16K, 18K, 20K, 22K and 24K gold—and why professional testing matters.
A traditional choice for gold jewellery, balancing gold content and durability.
Explore 22K goldA less common jewellery purity that sits between 18K and 22K.
Explore 20K goldContains more alloy for strength and is commonly used in modern fine jewellery.
Explore 18K goldA durable alloy containing about two-thirds gold, used in selected jewellery styles.
Explore 16K goldA durable gold alloy with a lower gold content than 18K or 22K.
Explore 14K goldWhat does karat mean?
Karat describes the proportion of gold in an alloy. Higher karat gold contains more gold, while lower karat jewellery includes more alloy metals for strength, colour or durability.
Hallmark and XRF testing
A hallmark is useful identification, but professional inspection and testing confirm the purity used for a final valuation. XRF testing can assess metal composition, while precision weighing helps confirm net gold weight.