OffTheDop

Ethereal Arc 175

Cut-Corner Emerald Rectangle Beryl (Aquamarine, Morganite, Heliodor & Emerald) Faceting Diagram · Optimized for RI 1.58 · 96 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Beryl (Aquamarine, Morganite, Heliodor & Emerald)
Refractive Index
RI 1.58 (Critical Angle 39.3°)
Cut Shape
Cut-Corner Emerald Rectangle
Facet & Tier Count
31 facets · 12 tiers
Index Gear
96 index
Length / Width Ratio
1.47
Optical Optimization Score
0.819
Brightness & Contrast
1.01 / 0.76
Deliverable
Instant Printable PDF Cutting Instructions

Ethereal Arc 175 is a meetpoint gemstone faceting pattern computationally optimized for Beryl (Aquamarine, Morganite, Heliodor & Emerald) (RI 1.58) on a 96-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.