Topaz Spark 916

Cutting Diagram & Optical Specifications

Target Material

Topaz & Tourmaline

Refractive Index

RI 1.61 (Critical Angle 38.4°)

Cut Shape

Mirrored Cut-Corner Trillion

Facet & Tier Count

39 facets · 9 tiers

Index Gear

96 index

Length / Width Ratio

1.10

Optical Optimization Score

0.919

Brightness & Contrast

0.99 / 0.97

Deliverable

Instant Printable PDF Cutting Instructions

Topaz Spark 916 is a meetpoint gemstone faceting pattern computationally optimized for Topaz & Tourmaline (RI 1.61) on a 96-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.