OffTheDop

Ethereal Burst 154

Heptagon Topaz & Tourmaline Faceting Diagram · Optimized for RI 1.61 · 84 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Topaz & Tourmaline
Refractive Index
RI 1.61 (Critical Angle 38.4°)
Cut Shape
Heptagon
Facet & Tier Count
43 facets · 7 tiers
Index Gear
84 index
Length / Width Ratio
1.03
Optical Optimization Score
0.892
Brightness & Contrast
0.92 / 0.89
Deliverable
Instant Printable PDF Cutting Instructions

Ethereal Burst 154 is a meetpoint gemstone faceting pattern computationally optimized for Topaz & Tourmaline (RI 1.61) on a 84-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.