Natural rough diamond crystal
Natural rough diamond crystal · Uncut octahedral / irregular crystal habit
Not applicable (Rough uncut crystal) Cut
Carat
Estimated 3.5 to 5.0 carats based on visual scale
Color
Near-colorless to light brown tint (K-M range)
Clarity
Included (I1-I2)
Shape
Uncut octahedral / irregular crystal habit
Overall Assessment
An interesting, natural rough diamond crystal featuring prominent internal inclusions and raw crystal faces, ideal for mineral collectors or custom organic jewelry designs.
Cut Quality
Not applicable (Rough uncut crystal)
Brilliance
Low due to uncut rough state and surface texture
Fire
Limited due to lack of standard faceted proportions
Scintillation
Minimal, localized flash effects on crystal faces
Proportions
Not applicable to uncut rough stone
Symmetry
Natural crystal symmetry (distorted octahedral/dodecahedral)
Polish
Natural crystal faces (trigons and striations visible)
Fluorescence
Cannot be determined visually without UV light testing (typically Medium to Strong Blue in natural rough)
Inclusions
Prominent central dark/brown inclusion, internal fractures, cloudiness
Blemishes
Natural surface etch channels, trigons, and rough skin
Origin
Alluvial or primary kimberlite pipe deposit (African or Canadian origin likely)
Treatment Detection
No signs of artificial treatment; completely natural untreated rough
Estimated Value
Varies by weight and industrial vs. gem quality; approximately $300 - $800 as a specimen
Certification Estimate
GIA or HRD (Rough Diamond Report / Origin Report)
Investment Potential
Collector specimen value rather than liquid investment grade
Similar Diamonds
Natural industrial and low-gem grade rough diamond crystals
Setting Suggestions
Raw crystal pendant, organic bezel setting in yellow or white gold
Care & Maintenance
Store separately to avoid scratching softer gems; clean with mild soapy water and soft brush
Interesting Facts
Rough diamonds preserve the natural geological history of their formation deep within the Earth's mantle