Shimmering Nebula 389

Cutting Diagram & Optical Specifications

Target Material

Synthetic Moissanite (Silicon Carbide)

Refractive Index

RI 2.67 (Critical Angle 22.0°)

Cut Shape

Truncated Pentagon

Facet & Tier Count

71 facets · 10 tiers

Index Gear

120 index

Length / Width Ratio

1.04

Optical Optimization Score

0.994

Brightness & Contrast

0.89 / 1.07

Deliverable

Instant Printable PDF Cutting Instructions

Shimmering Nebula 389 is a meetpoint gemstone faceting pattern computationally optimized for Synthetic Moissanite (Silicon Carbide) (RI 2.67) on a 120-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.