OffTheDop

Diamond Lagoon 552

Heptagon Beryl (Aquamarine, Morganite, Heliodor & Emerald) Faceting Diagram · Optimized for RI 1.58 · 84 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Beryl (Aquamarine, Morganite, Heliodor & Emerald)
Refractive Index
RI 1.58 (Critical Angle 39.3°)
Cut Shape
Heptagon
Facet & Tier Count
35 facets · 4 tiers
Index Gear
84 index
Length / Width Ratio
1.03
Optical Optimization Score
0.782
Brightness & Contrast
0.98 / 0.72
Deliverable
Instant Printable PDF Cutting Instructions

Diamond Lagoon 552 is a meetpoint gemstone faceting pattern computationally optimized for Beryl (Aquamarine, Morganite, Heliodor & Emerald) (RI 1.58) on a 84-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.