Carat

Carat Weight is probably the most commonly known and discussed factor of a diamond’s appearance. One carat is equal to 200 milligrams in weight. In the industry, partial carats are referred to in points. For example, a ¼ carat equals 25 points. The Carat weight form of measurement was developed when early gem traders determined there was a need for a standardized unit of measurement. The Carob seed, readily available and uniform in weight and size, became the standard unit in the early twentieth century.