Natural rough diamond specimen
Natural rough diamond specimen · Rough crystal, uncut irregular octahedral/dodecahedral habit
Not applicable (rough, uncut stone) Cut

Carat
Estimated 4.5 to 6.5 carats based on visual scale against fingers
Color
Estimated near-colorless to light yellow tint (G-J range)
Clarity
Included (rough stone with visible internal fractures and cloudy zones)
Shape
Rough crystal, uncut irregular octahedral/dodecahedral habit
Overall Assessment
An interesting and substantial natural rough diamond crystal specimen displaying characteristic raw texture and growth features, ideal for custom organic jewelry or professional faceting assessment
Cut Quality
Not applicable (rough, uncut stone)
Brilliance
Low to moderate due to rough, unpolished surface scatter
Fire
Obscured by rough crystal surface texture
Scintillation
Minimal until cut and polished
Proportions
Not applicable for rough material
Symmetry
Natural crystal growth symmetry, irregular form
Polish
Natural rough crystal faces (trigons and frosted texture), unpolished
Fluorescence
Cannot be determined without UV lamp testing
Inclusions
Natural mineral inclusions, feather fractures, and internal clouds visible
Blemishes
Natural surface pitting, trigons, and irregular growth lines
Origin
Natural alluvial or primary kimberlite deposit origin
Treatment Detection
No signs of artificial treatment; completely natural rough crystal
Estimated Value
Varies widely depending on cutting yield, estimated between $3,000 to $6,000 USD for rough specimen
Certification Estimate
GIA rough diamond evaluation or Kimberley Process certificate of origin
Investment Potential
Moderate as a collector specimen; high potential value retention if skillfully cut into a polished stone
Similar Diamonds
Other natural unpolished rough diamond crystals of comparable size
Setting Suggestions
Can be mounted in a bespoke raw diamond cage setting or designated for professional cutting and polishing
Care & Maintenance
Store separately to avoid scratching other jewelry; clean gently with warm soapy water and a soft brush
Interesting Facts
Rough diamonds often feature natural triangular growth marks called trigons on their crystal faces