Twilight Nebula 348

Cutting Diagram & Optical Specifications

Target Material

Topaz & Tourmaline

Refractive Index

RI 1.61 (Critical Angle 38.4°)

Cut Shape

Mirrored Cut-Corner Trillion

Facet & Tier Count

51 facets · 13 tiers

Index Gear

96 index

Length / Width Ratio

1.01

Optical Optimization Score

0.933

Brightness & Contrast

1.07 / 0.94

Deliverable

Instant Printable PDF Cutting Instructions

Twilight Nebula 348 is a meetpoint gemstone faceting pattern computationally optimized for Topaz & Tourmaline (RI 1.61) on a 96-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.