Natural rough diamond crystal
Natural rough diamond crystal · Uncut octahedral/irregular rough crystal
Not applicable (Rough uncut stone) Cut
Carat
Estimated 2.0 to 3.5 carats based on visual scale
Color
Light brown to off-white (Cape series)
Clarity
Included / Industrial to Lower Gem Quality (SI2-I2 range)
Shape
Uncut octahedral/irregular rough crystal
Overall Assessment
An interesting, untreated natural rough diamond crystal displaying classic crystal surface features and internal inclusions, best suited for mineral collections or custom organic jewelry design.
Cut Quality
Not applicable (Rough uncut stone)
Brilliance
Low due to rough, unpolished nature and inclusions
Fire
Minimal visible fire in current rough state
Scintillation
Limited flash effect due to uneven natural surfaces
Proportions
Natural rough proportions, unpolished
Symmetry
Natural octahedral growth form with irregular faces
Polish
Natural crystal face texture with trigons and etching
Fluorescence
Cannot be determined without UV light testing
Inclusions
Heavy internal cloudiness, mineral inclusions (likely graphite or olivine), and internal stress fractures
Blemishes
Natural surface etching, trigons, and surface cavities
Origin
Natural alluvial or primary kimberlite deposit origin
Treatment Detection
No signs of enhancement; completely untreated natural rough
Estimated Value
Varies by weight and specific purity, typically lower for industrial/near-gem rough
Certification Estimate
GIA or similar primary labs, ungraded in rough form
Investment Potential
Generally valued as a collector's specimen rather than an investment-grade polished asset
Similar Diamonds
Other unpolished alluvial rough diamond crystals of similar size and brown tint
Setting Suggestions
Wire-wrapped or organic bezel setting to preserve the raw, natural aesthetic
Care & Maintenance
Store separately to prevent scratching other materials; clean gently with warm soapy water
Interesting Facts
Displays distinct natural crystal surface features and growth lines typical of deep Earth formation