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Lustrous Halo 200
Truncated Cushion 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
- Truncated Cushion Heptagon
- Facet & Tier Count
- 64 facets · 7 tiers
- Index Gear
- 84 index
- Length / Width Ratio
- 1.00
- Optical Optimization Score
- 0.832
- Brightness & Contrast
- 1.05 / 0.77
- Deliverable
- Instant Printable PDF Cutting Instructions
Lustrous Halo 200 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.