Materials reference
Precious metals
used in jewelry.
Metal affects color, weight, wear, maintenance, manufacturing, and price. Understanding the difference between a core metal, a gold alloy, and a surface finish makes specifications clearer before production begins.
Gold purity
Karat tells you
how much is gold.
Karat divides a gold alloy into 24 parts. The remaining parts are other metals used to influence color, strength, and working properties.
Nearly pure gold
Richest yellow color; generally too soft for many everyday jewelry applications.
75% gold
High gold content with added alloy strength and a rich color.
58.3% gold
A widely used balance of gold content, durability, color, and cost.
41.7% gold
Lower gold content with a larger proportion of alloying metals.
