Clarity – this is how flawless the diamond is
Color – this is how colorless the diamond is. Diamonds can have a yellow or brown tint to them.
Cut – this is the way in which a diamond has been crafted to maximize scintillation and brilliance. This is achieved when the proportions of the diamonds are within a good ratio.
Carat weight – this is the physical weight of the diamond measured in carats. The bigger the diamond the more weight and therefore the more valuable it will be. There are landmark sizes of carat weight such as 1 ct, 2 ct, and 3 ct.