Cách sử dụng
'Carat' is a word used to describe the weight of precious stones such as diamonds, sapphires, and rubies. It tells you how heavy the stone is. One carat is equal to 0.2 grams. When people talk about the size of a diamond, they often use carats. For example, a one-carat diamond is bigger than a half-carat diamond. It is important to know the difference in carats when you are buying or selling precious stones.