Not a diamond (appears to be a green rough gemstone, likely raw green tourmaline, tsavorite garnet, or peridot, rather than a genuine diamond).
Not a diamond (appears to be a green rough gemstone, likely raw green tourmaline, tsavorite garnet, or peridot, rather than a genuine diamond). · Rough uncut crystal crystal bar / irregular elongated fragment
Not applicable (uncut rough crystal) Cut

Carat
Estimated 2.0 - 4.0 carats (rough gemstone weight)
Color
Vivid Green (Fancy Intense/Vivid color range if evaluated as a colored gem)
Clarity
Included (rough stone with internal fractures and inclusions)
Shape
Rough uncut crystal crystal bar / irregular elongated fragment
Overall Assessment
An interesting and vibrant natural green rough gemstone specimen, though definitively not a diamond.
Cut Quality
Not applicable (uncut rough crystal)
Brilliance
Varies by facet; currently exhibits internal glow characteristic of rough translucent gems
Fire
Low dispersion compared to diamond, typical of colored stones
Scintillation
Limited due to lack of standard faceted cuts
Proportions
Elongated rough crystal structure
Symmetry
Natural crystal symmetry (elongated prism)
Polish
Raw, natural crystal faces and fracture surfaces
Fluorescence
Undetermined without UV testing
Inclusions
Natural internal growth lines, veils, and small mineral inclusions typical of raw colored gemstones
Blemishes
Natural surface striations, rough fracture edges, and growth features
Origin
Natural rough mineral origin from pegmatite or metamorphic deposits
Treatment Detection
No obvious signs of artificial treatments, appears completely natural rough
Estimated Value
Varies widely depending on exact mineral species (rough tourmaline or tsavorite could range from $50 to $500+ depending on exact quality and weight)
Certification Estimate
Gemological lab certificate required (e.g., GIA colored stone report or local gem lab)
Investment Potential
Low to moderate as a raw specimen, higher if professionally faceted into a finished gemstone
Similar Diamonds
None (this is not a diamond)
Setting Suggestions
Custom wire-wrapped setting or organic bezel setting once cut and polished
Care & Maintenance
Store separately from harder stones to prevent scratching; clean gently with warm soapy water and a soft brush
Interesting Facts
Green rough stones are often mistaken for green diamonds by novices, but natural green diamonds are extremely rare and typically colored by natural radiation