Parameters

Full parameter reference.

Parameters are organized into groups. Only parameters relevant to the current cut type are displayed in the panel.

Overall

Cut Type: Gemstone cut shape — All cuts
Radius: Gem radius — Round, Trillion, Rose
Width / Length: Gem dimensions — Cushion, Emerald, Baguette, Pear, Marquise, Heart, Oval
Corner Sharpness: Corner rounding (0 = round, 1 = sharp) — Cushion, Trillion, Pear, Marquise
Bezel Width: Width of bezel facets — Emerald

Table Height: Crown height from girdle to table — All cuts
Table Scale: Table facet size relative to outline (0–1) — All except Rose
Table Roundness: Table outline roundness — Cushion
Crown Bias: Crown break facet position (0–1) — Round, Cushion, Trillion, Pear, Marquise, Heart, Oval, Rose
Crown Step Count: Number of crown step facets — Baguette, Emerald
Crown Roundness: Crown profile curvature (0 = linear, 1 = arc) — Baguette, Emerald, Rose

Girdle Height: Girdle band thickness — All cuts
Girdle Subdivision: Additional girdle edge loops — Round, Cushion, Trillion, Pear, Marquise, Heart, Oval, Rose

Pavilion Depth: Depth from girdle to culet — All except Rose
Pavilion Bias: Pavilion break facet position (0–1) — Round, Cushion, Trillion, Pear, Marquise, Heart, Oval
Pavilion Step Count: Number of pavilion step facets — Baguette, Emerald
Pavilion Roundness: Pavilion profile curvature (0 = linear, 1 = arc) — Baguette, Emerald
Culet Scale: Culet size (0 = sharp point, 1 = large facet) — All except Rose
Pavilion Pattern: Oval pavilion facet pattern (4, 6, 8-A, 8-B) — Oval
Shift Pavilion: Rotate pavilion facet pattern — Marquise

Point 1 / Point 2: Heart shape point positions — Heart
Handle 1–4: Heart shape curvature handles — Heart
Oval Handle 1 / 2: Oval outline curvature — Oval
Use N-gons: Merge triangulated facets into clean N-gon faces — Most cuts (except Baguette)