Gem Render

Material

GemstoneBody colorRefractive IndexAttenuation Distance: 6.0Dispersion: 0.020Roughness: 0.00

Lighting

EnvironmentEnv Intensity: 1.2

Path Tracer

Bounces: 8Samples Target (0 = unlimited)

Design

Load cut presetDesign nameIndex gear

Optical analysis

Girdle diameter (mm)

Run analysis to compute light return, windowing, and estimated weight.

TopFrontBottomIsometric

Stone (58 facets)

Proportions

Ratio	Meaning	Typical	Value
L/W	Length to Width (shape)	1.000 (round), 1.5–2.0 (oval/rectangle)	L/W
P/W	Pavilion depth to Width	0.40 – 0.48	P/W
C/W	Crown height to Width	0.12 – 0.18	C/W
H/W	Total Height to Width	0.55 – 0.70	H/W
T/W	Table size to Width	0.50 – 0.65	T/W
P/H	Pavilion height as % of total height	~0.70–0.80	P/H
Vol/W	Volume (weight estimate) relative to width	Varies	Vol/W

Tier	Angle°	Index	ID
Table (1)
Tier	Angle	Index	T
Crown (32)
TierTier nameTier angleSymIdx
TierTier nameTier angleSymIdx
TierTier nameTier angleSymIdx
Girdle (0)
No girdle facets.
Pavilion (24)
TierTier nameTier angleSymIdx
TierTier nameTier angleSymIdx
Culet (1)
Tier	Angle	Index	Culet