GIA Diamond Essentials Practice Exam – Prep Guide & Practice Questions

One carat is equivalent to 100 points. This measurement system is primarily used in the jewelry industry to express the weight of diamonds and other gemstones. The concept of points provides a more precise method for weighing smaller gemstones, facilitating better comparison when all stones may not be whole carats. Since one carat is defined as 100 points, it allows for a straightforward conversion: for example, a diamond weighing 0.75 carats would be 75 points. Understanding this metric is essential for anyone involved in buying, selling, or evaluating diamonds, as it directly relates to value and size perception.