Natural rough diamond / mineral crystal
Natural rough diamond / mineral crystal · Rough crystal, elongated octahedral/macdle fragment
Not applicable (rough, uncut crystal specimen) Cut

Carat
Estimated 3.5 - 5.0 carats based on visual scale
Color
Near colorless to light brown/yellow tint (approx. K-M)
Clarity
I1-I3 (included rough with notable internal features)
Shape
Rough crystal, elongated octahedral/macdle fragment
Overall Assessment
An interesting and tactile specimen of natural diamond rough, ideal for mineral collectors or custom organic jewelry rather than traditional faceted gem use.
Cut Quality
Not applicable (rough, uncut crystal specimen)
Brilliance
Low to moderate due to rough surfaces and internal inclusions
Fire
Limited dispersion visible through natural raw windows
Scintillation
Minimal play of light due to lack of standard facets
Proportions
Natural uncut crystal form, irregular depth and dimensions
Symmetry
Natural asymmetrical crystal growth
Polish
Natural unpolished crystal faces (trigons and striations visible)
Fluorescence
Unknown without UV testing (likely none to moderate blue)
Inclusions
Heavy internal feathering, cloud formations, and included mineral crystals
Blemishes
Natural surface etch channels, trigons, and rough skin
Origin
Alluvial or primary kimberlite deposit origin (Africa, Russia, or Canada)
Treatment Detection
No treatments detected; completely natural untreated rough
Estimated Value
Collector or specimen value ranging from $200 to $800 depending on exact weight and origin
Certification Estimate
GIA or local gemological institute for rough identification report
Investment Potential
Moderate value as a unique mineral specimen rather than an investment gem
Similar Diamonds
Other natural unworked industrial or low-gem-quality rough diamond crystals
Setting Suggestions
Wire-wrapped pendant, custom organic bezel setting, or kept as a mineral specimen
Care & Maintenance
Store separately to prevent scratching other stones; clean with warm soapy water and soft brush
Interesting Facts
Shows natural growth lines (striations) characteristic of native diamond crystal formation