OffTheDop

Blazing Rhapsody 886

Truncated Pentagon Corundum (Sapphire & Ruby) Faceting Diagram · Optimized for RI 1.76 · 120 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Corundum (Sapphire & Ruby)
Refractive Index
RI 1.76 (Critical Angle 34.6°)
Cut Shape
Truncated Pentagon
Facet & Tier Count
66 facets · 13 tiers
Index Gear
120 index
Length / Width Ratio
1.05
Optical Optimization Score
0.963
Brightness & Contrast
1.08 / 0.97
Deliverable
Instant Printable PDF Cutting Instructions

Blazing Rhapsody 886 is a meetpoint gemstone faceting pattern computationally optimized for Corundum (Sapphire & Ruby) (RI 1.76) on a 120-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.