OffTheDop

Onyx Ember 914

Cushion Trillion Natural & Lab-Grown Diamond Faceting Diagram · Optimized for RI 2.42 · 96 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Natural & Lab-Grown Diamond
Refractive Index
RI 2.42 (Critical Angle 24.4°)
Cut Shape
Cushion Trillion
Facet & Tier Count
42 facets · 8 tiers
Index Gear
96 index
Length / Width Ratio
1.06
Optical Optimization Score
1.017
Brightness & Contrast
0.96 / 1.09
Deliverable
Instant Printable PDF Cutting Instructions

Onyx Ember 914 is a meetpoint gemstone faceting pattern computationally optimized for Natural & Lab-Grown Diamond (RI 2.42) on a 96-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.