Natural rough diamond crystal
Natural rough diamond crystal · Uncut octahedral or irregularly shaped rough crystal
Not applicable (Rough uncut stone) Cut
Carat
Estimated 2.5 to 3.5 carats
Color
Near-colorless to light brown tint
Clarity
Included (I1-I3 equivalent in rough form due to surface features and internal inclusions)
Shape
Uncut octahedral or irregularly shaped rough crystal
Overall Assessment
An interesting, untreated natural rough diamond specimen showing authentic crystal growth features and surface characteristics.
Cut Quality
Not applicable (Rough uncut stone)
Brilliance
Limited due to uncut rough state and surface texture
Fire
Minimal visible fire on raw crystal faces
Scintillation
Not applicable to rough stones without faceted surfaces
Proportions
Natural uncut morphology, requires professional planning for cutting
Symmetry
Natural crystal symmetry (distorted octahedral/dodecahedral growth lines)
Polish
Natural rough crystal faces (trigons and striations visible)
Fluorescence
Cannot be determined without UV testing
Inclusions
Internal feather fractures, carbon spots, and cloudiness typical of rough stones
Blemishes
Natural surface etching, indentations, and surface graining
Origin
Natural alluvial or primary kimberlite deposit origin
Treatment Detection
No treatments detected; completely untreated natural rough specimen
Estimated Value
Varies widely by weight and cut potential, typically hundreds to a few thousand dollars as rough
Certification Estimate
GIA rough report or Kimberley Process certificate for origin verification
Investment Potential
Moderate, primarily valued as a collectible mineral specimen or custom raw jewelry piece
Similar Diamonds
Typical industrial or lower-gem-quality natural rough diamond crystals
Setting Suggestions
Can be custom-set in an organic raw diamond bezel or prong setting without cutting
Care & Maintenance
Store separately to avoid scratching other gems; clean gently with warm soapy water and a soft brush
Interesting Facts
Rough diamonds often feature growth lines called trigons on their natural octahedral faces