What Is Abbreviation for Carat

The carat (ct) is a unit of mass equal to 200 mg (0.00705 oz) or 0.00643 troy oz, and is used for measuring gemstones and pearls.

Is it K or ct?

The karat (US spelling, symbol K or kt) or carat (UK spelling, symbol C or ct) is a fractional measure of purity for gold alloys, in parts fine per 24 parts whole. The karat system is a standard adopted by US federal law.

Is karat K or AC?

The karat level is stamped on each piece of jewelry. In the U.S., “karat” is written as “K.” In other countries, “karat” is also written as a “C.” “Carat” is the weight of precious stones and pearls. It is especially used for weighing diamonds.