OffTheDop

Velvet Sunbeam 777

Cushion Heptagon Quartz, Amethyst & Citrine Faceting Diagram · Optimized for RI 1.54 · 84 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Quartz, Amethyst & Citrine
Refractive Index
RI 1.54 (Critical Angle 40.5°)
Cut Shape
Cushion Heptagon
Facet & Tier Count
113 facets · 12 tiers
Index Gear
84 index
Length / Width Ratio
1.02
Optical Optimization Score
0.912
Brightness & Contrast
0.98 / 0.93
Deliverable
Instant Printable PDF Cutting Instructions

Velvet Sunbeam 777 is a meetpoint gemstone faceting pattern computationally optimized for Quartz, Amethyst & Citrine (RI 1.54) on a 84-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.