Not a diamond; this is a raw emerald or a green mineral specimen, potentially glass or beryl.
Not a diamond; this is a raw emerald or a green mineral specimen, potentially glass or beryl. · Rough crystal / Uncut crystal formation
Not applicable (Rough uncut stone) Cut

Carat
Cannot be accurately determined from visual perspective alone, estimated heavy rough specimen.
Color
Vivid Green (Fancy Intense Green in gemological terms)
Clarity
Included (I2/I3 equivalent due to numerous internal fractures and inclusions)
Shape
Rough crystal / Uncut crystal formation
Overall Assessment
The specimen displayed is a vibrant green rough mineral crystal, visibly possessing internal fissures and characteristic inclusions rather than being a diamond.
Cut Quality
Not applicable (Rough uncut stone)
Brilliance
Low due to lack of faceting and heavy inclusions
Fire
Low, characteristic of beryl rather than diamond
Scintillation
Minimal to none due to lack of cut and polish
Proportions
Not applicable for rough stone
Symmetry
Natural irregular crystal symmetry
Polish
Unpolished raw surface
Fluorescence
Unknown without UV testing
Inclusions
Heavy internal fracturing, healing fissures, and cloud-like inclusions characteristic of natural emerald or rough beryl
Blemishes
Surface cavities, rough edges, and natural striations
Origin
Likely natural mined mineral rough, potentially from Colombia, Zambia, or Brazil if emerald
Treatment Detection
Potential oil or resin clarity enhancement typical of emeralds
Estimated Value
Varies drastically based on true mineral composition, species, and weight (could range from minimal if glass to significant if high-grade emerald rough)
Certification Estimate
GIA or Gübelin (if testing as genuine emerald)
Investment Potential
Speculative, depends entirely on gemological verification of species and quality
Similar Diamonds
None, as this is visually a green gemstone/mineral rough, not a diamond
Setting Suggestions
Custom bezel or prong setting designed specifically for raw, uncut mineral specimens
Care & Maintenance
Avoid ultrasonic cleaners, steam, and harsh chemicals; prone to fracture due to internal inclusions
Interesting Facts
Green beryl of gem quality is known as emerald, one of the traditional 'big four' precious gemstones