Natural rough diamond crystal
Natural rough diamond crystal · Uncut octahedral/irregular rough crystal
Not applicable (rough, unpolished crystal) Cut
Carat
Estimated 0.5 to 1.0 carats based on visual scale
Color
Near-colorless to faint tint (approx. G-J range)
Clarity
Included (rough stone with internal feathers and surface fractures)
Shape
Uncut octahedral/irregular rough crystal
Overall Assessment
An interesting, natural rough diamond crystal in its raw state, best preserved as a mineral specimen or custom-cut into a finished gem.
Cut Quality
Not applicable (rough, unpolished crystal)
Brilliance
Low to moderate due to rough surfaces and lack of facets
Fire
Minimal due to unpolished nature and surface texture
Scintillation
Absent; no facet reflections present
Proportions
Not applicable for rough material
Symmetry
Natural crystal symmetry (distorted octahedral form)
Polish
Natural crystal faces (trigons and striations visible)
Fluorescence
Cannot be determined without UV testing (likely none to faint)
Inclusions
Internal cleavage planes, feathers, and mineral inclusions visible
Blemishes
Natural surface pitting, rough skin, and adhering matrix minerals
Origin
Alluvial or primary kimberlitic deposit (exact mine unknown)
Treatment Detection
None detected; entirely untreated rough crystal
Estimated Value
Varies by weight; rough industrial/near-gem value typically under $500
Certification Estimate
GIA or local gemological institute (rough report only)
Investment Potential
Low for investment; primarily valued as a collectible mineral specimen
Similar Diamonds
Other unassorted rough diamond crystals from artisanal or commercial mining
Setting Suggestions
Raw diamond jewelry using bezel or prong settings to secure the organic shape
Care & Maintenance
Store separately to prevent scratching other stones; clean gently with warm soapy water
Interesting Facts
Rough diamonds show natural growth marks called trigons on their crystal faces