OffTheDop

Velvet Tiara 188

Truncated Cushion Pentagon Spinel & Garnet (Rhodolite, Malaya, Pyrope) Faceting Diagram · Optimized for RI 1.72 · 120 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Spinel & Garnet (Rhodolite, Malaya, Pyrope)
Refractive Index
RI 1.72 (Critical Angle 35.5°)
Cut Shape
Truncated Cushion Pentagon
Facet & Tier Count
76 facets · 12 tiers
Index Gear
120 index
Length / Width Ratio
1.00
Optical Optimization Score
0.948
Brightness & Contrast
1.08 / 0.94
Deliverable
Instant Printable PDF Cutting Instructions

Velvet Tiara 188 is a meetpoint gemstone faceting pattern computationally optimized for Spinel & Garnet (Rhodolite, Malaya, Pyrope) (RI 1.72) on a 120-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.