Round Brilliant Cut Diamond Diagram - Facet Structure Explained #3296652 (License: Personal Use)

This diagram depicts the standard round brilliant cut diamond, featuring 33 facets on the crown and 25 on the pavilion, plus the culet. The design optimizes light reflection through precise angles-typically 34.5° crown angle and 40.75° pavilion angle-to achieve exceptional fire, brilliance, and scintillation. The central octagonal table and surrounding star, bezel, and upper/girdle facets are clearly delineated.

Used in jewelry education, gemology resources, diamond grading reports, and e-commerce product pages to help buyers understand cut quality and optical performance; matches user intent for learning diamond anatomy or comparing cut styles.