PURE ELEMENTS Pure element - 8 carat Its an alloy Slightly coppery 8 out of 24 parts are gold - The rest made up of other metals such as silver or copper - All the atoms inside is exactly the same 14 carat Its an alloy Rose gold 14 out of 24 parts are gold - The rest made up of other metals such as silver or copper - 18 carat Its an alloy Bright yellow gold 18 out of 24 parts are gold - The rest made up of other metals such as silver or copper - 24 carat Pure gold bar Yellow gold 24 out of 24 parts are gold - 999 stands for 99.9% gold