OffTheDop

Cobalt Torrent 607

Truncated Cushion Pentagon Topaz & Tourmaline Faceting Diagram · Optimized for RI 1.61 · 120 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Topaz & Tourmaline
Refractive Index
RI 1.61 (Critical Angle 38.4°)
Cut Shape
Truncated Cushion Pentagon
Facet & Tier Count
61 facets · 7 tiers
Index Gear
120 index
Length / Width Ratio
1.01
Optical Optimization Score
0.933
Brightness & Contrast
1.05 / 0.95
Deliverable
Instant Printable PDF Cutting Instructions

Cobalt Torrent 607 is a meetpoint gemstone faceting pattern computationally optimized for Topaz & Tourmaline (RI 1.61) on a 120-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.