Round Brilliant Cut Diamond Facet Diagram - Top & Bottom Views #117145 (License: Personal Use)

The left diagram depicts the crown of a round brilliant cut diamond, featuring the central table, eight star facets, and 16 upper girdle facets arranged symmetrically. The right diagram shows the pavilion view, with eight main facets converging at the culet and 16 lower girdle facets radiating outward-optimized for total internal reflection and brilliance. These standardized facet layouts are foundational in modern diamond cutting.

Used in gemological education, jewelry design resources, and online diamond grading guides to explain how facet symmetry and angles affect sparkle and value; matches user intent for learning diamond anatomy or evaluating cut quality.