OffTheDop

Tempest Starburst 196

Cushion Heptagon Beryl (Aquamarine, Morganite, Heliodor & Emerald) Faceting Diagram · Optimized for RI 1.58 · 84 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Beryl (Aquamarine, Morganite, Heliodor & Emerald)
Refractive Index
RI 1.58 (Critical Angle 39.3°)
Cut Shape
Cushion Heptagon
Facet & Tier Count
113 facets · 12 tiers
Index Gear
84 index
Length / Width Ratio
1.02
Optical Optimization Score
0.876
Brightness & Contrast
0.89 / 0.87
Deliverable
Instant Printable PDF Cutting Instructions

Tempest Starburst 196 is a meetpoint gemstone faceting pattern computationally optimized for Beryl (Aquamarine, Morganite, Heliodor & Emerald) (RI 1.58) on a 84-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.