Not a diamond; this is a rough green glass or synthetic crystal specimen.
Not a diamond; this is a rough green glass or synthetic crystal specimen. · Raw, uncut, irregular elongated crystal or fragment
Not applicable (raw, unpolished stone) Cut
Carat
Cannot be precisely determined visually, roughly estimated at 15-25 carats based on size relative to skin texture
Color
Vibrant vivid green (Fancy Green)
Clarity
Included / Heavily flawed due to internal fractures and surface lines
Shape
Raw, uncut, irregular elongated crystal or fragment
Overall Assessment
The specimen shown in the image is not a diamond or a precious gemstone. It exhibits characteristics of colored glass, such as conchoidal fractures and internal flow structures, making it unsuitable for standard gemstone grading.
Cut Quality
Not applicable (raw, unpolished stone)
Brilliance
Vitreous luster, mostly glass-like reflection
Fire
Low dispersion, typical of glass rather than high-refractive-index gemstones
Scintillation
Limited due to lack of facets and presence of internal fractures
Proportions
Non-standard, irregular rough nugget form
Symmetry
Asymmetrical, natural/fractured rough form
Polish
Raw and unpolished with conchoidal fractures visible
Fluorescence
Unknown without UV testing, though typical green glass often shows inert or weak green fluorescence
Inclusions
Internal gas bubbles, flow lines, and extensive stress fractures typical of glass
Blemishes
Surface scratches, chips, and conchoidal fracture marks
Origin
Man-made glass slag or decorative colored glass piece
Treatment Detection
Colored glass composition; no standard diamond treatments apply
Estimated Value
Nominal value as a decorative mineral specimen or collector's glass piece ($5 - $20)
Certification Estimate
Not certifiable as a gemstone by major labs like GIA or AGS
Investment Potential
None; holds no monetary or investment value
Similar Diamonds
None, as this is visually identified as glass rather than diamond
Setting Suggestions
Wire-wrapping if used for artisan jewelry, but not recommended for fine jewelry settings
Care & Maintenance
Avoid harsh impacts as glass is brittle and prone to chipping
Interesting Facts
Green glass is frequently mistaken by novices for emerald, peridot, or green diamond due to its vivid coloration