OffTheDop

Luminous Arc 515

Oval Corundum (Sapphire & Ruby) Faceting Diagram · Optimized for RI 1.76 · 96 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Corundum (Sapphire & Ruby)
Refractive Index
RI 1.76 (Critical Angle 34.6°)
Cut Shape
Oval
Facet & Tier Count
43 facets · 15 tiers
Index Gear
96 index
Length / Width Ratio
1.68
Optical Optimization Score
0.912
Brightness & Contrast
0.76 / 0.97
Deliverable
Instant Printable PDF Cutting Instructions

Luminous Arc 515 is a meetpoint gemstone faceting pattern computationally optimized for Corundum (Sapphire & Ruby) (RI 1.76) on a 96-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.