Green Glass or Slag (Not a natural or lab-grown diamond)
Green Glass or Slag (Not a natural or lab-grown diamond) · Rough / Irregular fragment
Not applicable (uncut raw fragment) Cut
Carat
Estimated 15-20 carats based on visual size
Color
Fancy Vivid Green (Colorant present)
Clarity
Included (contains bubbles typical of glass)
Shape
Rough / Irregular fragment
Overall Assessment
This specimen is a vibrant green piece of industrial glass or slag rather than a genuine diamond or gemstone. It exhibits characteristic conchoidal fracture and internal gas bubbles, confirming its glass composition.
Cut Quality
Not applicable (uncut raw fragment)
Brilliance
Vitreous and glassy luster, low optical performance compared to diamond
Fire
Very low dispersion compared to diamond
Scintillation
Minimal, flash effect from large flat cleavage-like planes
Proportions
Not applicable
Symmetry
Asymmetrical raw fragment
Polish
Undeveloped / Natural fracture surfaces with vitreous luster
Fluorescence
None to inert
Inclusions
Gas bubbles and flow lines visible, typical of manufactured glass
Blemishes
Conchoidal fractures and surface abrasions
Origin
Man-made glass or industrial slag
Treatment Detection
Colored glass composition
Estimated Value
Nominal / Low decorative or collector value (less than $10)
Certification Estimate
Not gradable by major diamond laboratories (GIA, AGS, IGI)
Investment Potential
None as an investment
Similar Diamonds
None, as this material is glass rather than diamond
Setting Suggestions
Wire-wrapping or artisan bezel setting if used for craft purposes
Care & Maintenance
Standard gentle cleaning with mild soap and warm water; avoid hard impacts
Interesting Facts
Green glass is frequently mistaken for rough emerald or colored diamond by amateur prospectors due to its vibrant color and vitreous luster.