In diamond terminology, what is referred to as "brilliance"?

Brilliance in diamond terminology pertains specifically to the amount of white light that is reflected back to the observer from the diamond. This quality contributes significantly to a diamond’s visual appeal; a well-cut diamond captures and reflects light in a way that maximizes its brightness.

The cut of the diamond plays a crucial role in achieving optimum brilliance. When the angles and proportions are ideal, a diamond can reflect light effectively, resulting in that sought-after sparkling effect that captivates viewers. Factors such as the diamond's clarity, color, and carat weight do influence the overall appearance, but they do not define brilliance as it is specifically understood in gemology. Hence, the focus remains squarely on how effectively a diamond can reflect white light back to the viewer, distinguishing it from other characteristics linked to diamonds.