Topaz Ember 318

Cutting Diagram & Optical Specifications

Target Material

Beryl (Aquamarine, Morganite, Heliodor & Emerald)

Refractive Index

RI 1.58 (Critical Angle 39.3°)

Cut Shape

Pentagon

Facet & Tier Count

46 facets · 9 tiers

Index Gear

120 index

Length / Width Ratio

1.05

Optical Optimization Score

0.863

Brightness & Contrast

0.82 / 0.86

Deliverable

Instant Printable PDF Cutting Instructions

Topaz Ember 318 is a meetpoint gemstone faceting pattern computationally optimized for Beryl (Aquamarine, Morganite, Heliodor & Emerald) (RI 1.58) on a 120-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.