
Carat with a C
We discussed karat with a k. Now what is carat with a c? Carat is the measurement of a gem weight. You will hear gemstone weight referred to as "two carats" or " three and a half carats." The United States adopted the international standard of the metric carat in the 1920s. Carats are usually identified as "ct" and are measured in metric carats. A metric carat is 1/5 gram (0.200g).
Carats are stated in carats and decimals or in points.