Not a diamond; this is a piece of green glass or slag material showing characteristic flow lines and bubbles.
Not a diamond; this is a piece of green glass or slag material showing characteristic flow lines and bubbles. · Irregular raw fragment / unstructured
Not applicable (raw/uncut industrial or tumbled glass fragment) Cut

Carat
Not applicable for non-diamond glass material
Color
Vivid green
Clarity
Included with gas bubbles and flow structures
Shape
Irregular raw fragment / unstructured
Overall Assessment
The item depicted in the image is not a diamond or a gemstone, but rather a fragment of green glass or slag, easily identified by the internal gas bubbles and vitreous texture.
Cut Quality
Not applicable (raw/uncut industrial or tumbled glass fragment)
Brilliance
Low to moderate vitreous luster
Fire
None
Scintillation
Poor due to lack of standard facet alignment
Proportions
Not applicable
Symmetry
Asymmetrical
Polish
Raw or weathered surface
Fluorescence
Not applicable
Inclusions
Round gas bubbles and internal striae characteristic of glass
Blemishes
Surface abrasions and chips typical of brittle glass
Origin
Man-made glass or industrial slag
Treatment Detection
Colored glass substitute
Estimated Value
Nominal / Zero monetary value as a gemstone
Certification Estimate
Cannot be graded by gemological laboratories like GIA or AGS as a diamond
Investment Potential
None
Similar Diamonds
None, as it is glass
Setting Suggestions
Not recommended for fine jewelry settings due to low durability
Care & Maintenance
Handle with care to avoid chipping, standard cleaning with mild soap and water
Interesting Facts
Green glass is often mistaken for rough emerald, peridot, or green diamond by untrained observers due to its color.