4C's of a Diamond
The diamond cut is the most important element to consider when buying a diamond The cut of a diamond not only refers to the diamond’s shape, it also refers to how effectively the diamond returns light back to the viewer’s eye.
Clarity is one of the 4Cs of diamond grading and quality. It is important to select a diamond that does not have any inclusions that will affect the overall beauty and durability of the diamond.
Diamond color is the second most important characteristic to consider when choosing a diamond. When shopping for a diamond, it is generally preferred to choose a stone with the least amount of color possible.
Carat (abbreviation: ct) is a term that refers to the weight of a diamond. The size of a diamond is proportional to its carat weight. Diamond carat is often misunderstood and refers to a diamond's weight, and not its size.