Sunlit Insignia 853

Cutting Diagram & Optical Specifications

Target Material

Quartz, Amethyst & Citrine

Refractive Index

RI 1.54 (Critical Angle 40.5°)

Cut Shape

Truncated Cushion Pentagon

Facet & Tier Count

81 facets · 12 tiers

Index Gear

120 index

Length / Width Ratio

1.04

Optical Optimization Score

0.857

Brightness & Contrast

0.88 / 0.90

Deliverable

Instant Printable PDF Cutting Instructions

Sunlit Insignia 853 is a meetpoint gemstone faceting pattern computationally optimized for Quartz, Amethyst & Citrine (RI 1.54) on a 120-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.