Not a diamond; this specimen appears to be green glass or a green mineral crystal such as rough tourmaline or peridot, but visually lacks diamond characteristics.
Not a diamond; this specimen appears to be green glass or a green mineral crystal such as rough tourmaline or peridot, but visually lacks diamond characteristics. · Rough crystal / Raw fragment
Uncut / Raw (Not Applicable) Cut

Carat
Estimated 2.0 to 3.5 carats equivalent based on visual size
Color
Vivid Green (Fancy Color)
Clarity
Included (SI2 / I1 equivalent due to internal fractures and bubbles/inclusions)
Shape
Rough crystal / Raw fragment
Overall Assessment
This specimen is a vibrant green raw fragment, visually identified as a non-diamond material (likely a mineral crystal or colored glass) requiring professional gemological testing for positive identification.
Cut Quality
Uncut / Raw (Not Applicable)
Brilliance
Varies by angle due to rough surface light scatter
Fire
Minimal dispersion observed in this green shade
Scintillation
Limited due to lack of faceted structure
Proportions
Irregular raw crystal proportions
Symmetry
Asymmetrical raw crystal
Polish
Unpolished natural or fractured surface
Fluorescence
Unknown without UV testing
Inclusions
Internal fractures, gas bubbles (if glass), or mineral veining
Blemishes
Surface pitting, natural striations, and irregular edges
Origin
Natural mineral rough or manufactured glass fragment
Treatment Detection
Visual inspection suggests raw state, potential coloration agents if glass.
Estimated Value
Nominal value (decorative mineral specimen or glass fragment)
Certification Estimate
Not applicable for standard diamond grading labs (GIA/AGI); would require general colored stone analysis.
Investment Potential
None as an investment gem
Similar Diamonds
None, as this is not a diamond
Setting Suggestions
Wire-wrapped or bezel setting if used in organic jewelry
Care & Maintenance
Standard cleaning with mild soap and water; avoid harsh chemicals and impacts
Interesting Facts
Green rough stones are often mistaken for high-value gems like emerald or green diamond, but most bright green roughs are quartz, tourmaline, or slag glass.