Polished Peak 228

Cutting Diagram & Optical Specifications

Target Material

Cubic Zirconia (CZ) & YAG/GGG Synthetics

Refractive Index

RI 2.15 (Critical Angle 27.7°)

Cut Shape

Truncated Heptagon

Facet & Tier Count

85 facets · 9 tiers

Index Gear

84 index

Length / Width Ratio

1.01

Optical Optimization Score

1.035

Brightness & Contrast

1.05 / 1.08

Deliverable

Instant Printable PDF Cutting Instructions

Polished Peak 228 is a meetpoint gemstone faceting pattern computationally optimized for Cubic Zirconia (CZ) & YAG/GGG Synthetics (RI 2.15) on a 84-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.