Natural rough diamond crystal showing octahedral habit
Natural rough diamond crystal showing octahedral habit · Uncut natural crystal / Octahedral
Not applicable (rough, uncut crystal) Cut
Carat
Estimated 0.50 to 0.75 carats based on visual scale against fingers
Color
Near colorless to faint white or milky body color
Clarity
Included (I1-I2 equivalent due to natural internal flaws and cloudiness)
Shape
Uncut natural crystal / Octahedral
Overall Assessment
An interesting and genuine specimen of an uncut natural diamond crystal displaying characteristic octahedral morphology, suitable for collectors or unique organic jewelry designs.
Cut Quality
Not applicable (rough, uncut crystal)
Brilliance
Low to moderate, limited by rough surface and translucent body
Fire
Minimal due to lack of faceted angles
Scintillation
Poor due to unpolished and frosted natural faces
Proportions
Natural crystal proportions, unpolished
Symmetry
Natural octahedral symmetry with curved faces
Polish
Natural crystalline surface with minor growth features and trigons
Fluorescence
Unknown without UV testing, likely inert or faint blue
Inclusions
Natural internal carbon spots, feathers, and cloudiness typical of rough stones
Blemishes
Natural surface pitting, trigons, and surface graining
Origin
Natural alluvial or primary kimberlite deposit origin
Treatment Detection
No treatments detected; completely untreated natural rough
Estimated Value
100 to 300 USD as a raw specimen
Certification Estimate
GIA rough diamond report or local gemological identification
Investment Potential
Low as an investment, mainly valued as a unique natural specimen or educational piece
Similar Diamonds
Industrial or low-gem quality octahedral rough diamonds
Setting Suggestions
Raw crystal pendant bezel setting in yellow or white gold to showcase its natural form
Care & Maintenance
Standard cleaning with warm soapy water and a soft brush; avoid harsh acids
Interesting Facts
The octahedral shape is the most common and classic crystal habit of natural diamond formed deep within the Earth's mantle