Not a diamond; this is a piece of green glass or slag, displaying conchoidal fracture and surface wear typical of glass.
Not a diamond; this is a piece of green glass or slag, displaying conchoidal fracture and surface wear typical of glass. · Irregular / Raw fragment (not a faceted gemstone shape)
Not applicable (raw/unfaceted or fractured glass) Cut
Carat
Not applicable (glass material)
Color
Fancy Green (Glass imitation)
Clarity
Not applicable (contains gas bubbles and flow lines characteristic of glass)
Shape
Irregular / Raw fragment (not a faceted gemstone shape)
Overall Assessment
The specimen pictured is not a diamond or even a crystalline gemstone; it is an amorphous green glass fragment showing characteristic conchoidal fracture patterns.
Cut Quality
Not applicable (raw/unfaceted or fractured glass)
Brilliance
Poor to fair (low refractive index compared to diamond)
Fire
None
Scintillation
Poor
Proportions
Not applicable
Symmetry
Not applicable
Polish
Not applicable
Fluorescence
Not applicable
Inclusions
Gas bubbles and swirl marks typical of manufactured glass
Blemishes
Surface scratches, pitting, and conchoidal chipping
Origin
Man-made glass or industrial slag
Treatment Detection
Colored glass substitute
Estimated Value
Minimal to zero commercial gemstone value
Certification Estimate
Cannot be certified as a diamond by any major gemological laboratory (GIA, IGI, AGS)
Investment Potential
None
Similar Diamonds
None
Setting Suggestions
Not recommended for jewelry settings due to soft material and lack of gemstone value
Care & Maintenance
Handle with care to avoid chipping if retained as a curiosity
Interesting Facts
Green glass is frequently mistaken for rough green diamond, peridot, or tourmaline by untrained observers due to its color.