Question: what is the difference between k and ct in jewelry?
Answer: There is often confusion between the terms Carat and Karat or CT and KT. Karat is a term used to indicate gold purity. In many countries it is a legal standard to stamp gold jewelry with markings such as 10KT, 14KT and 18KT. ... Carat is a unit of weight used to measure diamonds and precious gemstones.