Carat refers to the weight of a diamond and makes for the mere size of a diamond. One carat equals 0.2gr or 100 points.
The 4 C’s | Clarity
As natural diamonds are formed deep inside the earth they all contain traces of their growth. These impurities or inclusions significantly alter the value of a diamond. A diamond with less visible inclusions is considered more valuable. A diamond with no inclusions visible through a diamond loupe is called “Loupe Clean (LC).