Comprehensive list of the Helium report parameters: Position normalization Diameters, Width & Length Main diameters Ratio (L/W) & Girdle Ratio Table Culet Total height Crown height Pavilion depth Upper and lower girdle facets' heights Crown height at girdle minima Pavilion depth at girdle minima Depth and length girdle facets Girdle thickness Girdle types for cushion as red, yellow, green and blue Corner angle width and Corner angle length Facets' slope and azimuth angle Facets' slope and azimuth angle for rounded fancies (obsolete) Azimuths deviation from ideal MIC & Girdle to MIC Girdle-Table offset (by table axis), Girdle-Culet offset (by table axis), Table-Culet offset (by table axis) Crown painting and Pavilion painting Girdle type (obsolete) Trapezium parameters Extra Facet / Natural Twist Statistical values Measurements are used in different systems and tools: Lower girdle facets or halves OctoNus spread & AGS spread

DiamCalc Brilliant Cut Parameters