Synthetic glass / slag (not a natural diamond)
Synthetic glass / slag (not a natural diamond) · Rough uncut / raw fragment
Not applicable (uncut raw form) Cut

Carat
Estimated around 3.5 to 5.0 carats based on visual volume
Color
Vivid green (fancy vivid green imitation)
Clarity
Included (contains visible internal bubbles and flow lines)
Shape
Rough uncut / raw fragment
Overall Assessment
The specimen shown is a green glass fragment rather than a genuine diamond, evidenced by internal gas bubbles and conchoidal fracture patterns typical of vitreous materials.
Cut Quality
Not applicable (uncut raw form)
Brilliance
Low to moderate due to vitreous nature
Fire
Very low (characteristic of glass rather than diamond)
Scintillation
Poor due to lack of standard facet alignment
Proportions
Irregular raw crystal structure
Symmetry
Asymmetrical raw fragment
Polish
Raw / unpolished
Fluorescence
Indeterminate without UV testing
Inclusions
Internal gas bubbles and swirled vitreous flow lines
Blemishes
Conchoidal fracture marks and surface roughness
Origin
Man-made glass or industrial slag
Treatment Detection
Colored glass imitation with typical melt-formed internal bubble inclusions
Estimated Value
Minimal monetary value as it is decorative glass
Certification Estimate
Not certifiable as diamond by major labs like GIA or AGS
Investment Potential
None
Similar Diamonds
None, as this material is glass rather than diamond
Setting Suggestions
Not recommended for fine jewelry settings due to softness
Care & Maintenance
Store separately to avoid scratching softer materials, clean with mild soapy water
Interesting Facts
Green glass is frequently mistaken for rough green diamonds or emeralds by novices