Degrees of Purity

GOLD DEGREES OF PURITY

The purity of gold is measured in the unit carat (ct). This depends on the fine gold content in the used alloy.

  • 8 ct alternative specification 333 corresponds to 333 1/3 g per kg of gold
  • 9 ct alternative specification 375 corresponds to 375 g per kg of gold
  • 10 ct alternative specification 417 corresponds to 416 2/3 g per kg of gold
  • 14 ct alternative specification 585 corresponds to 583 1/3 g per kg of gold
  • 18 ct alternative specification 750 corresponds to 750 g per kg of gold
  • 20 ct alternative specification 833 corresponds to 833 1/3 g per kg of gold
  • 22 ct alternative specification 916 corresponds to 916 2/3 per kg of gold
  • 24 ct alternative specification 999 corresponds to 999 g per kg of gold