Rough Natural Diamond (Crystal Specimen)
Rough Natural Diamond (Crystal Specimen) · Rough crystal / Irregular octahedral or distorted form
Not applicable (Rough, uncut crystal) Cut
Carat
Estimated 3.5 - 5.0 carats based on visual dimensions
Color
Near-colorless to faint brownish/grayish tint
Clarity
Included (I1-I2 equivalent due to natural internal flaws and cloudiness)
Shape
Rough crystal / Irregular octahedral or distorted form
Overall Assessment
An intriguing, raw natural diamond crystal specimen showing genuine geological growth features, ideal for mineral collectors or custom organic jewelry rather than standard faceted gemstone use.
Cut Quality
Not applicable (Rough, uncut crystal)
Brilliance
Low to moderate due to rough surfaces and internal imperfections
Fire
Limited dispersion visible through raw, unpolished windows
Scintillation
Minimal to none due to lack of facets
Proportions
Natural rough geometry; deep and asymmetrical
Symmetry
Natural distorted crystal growth symmetry
Polish
Raw, unpolished natural crystal faces (trigons and striations visible)
Fluorescence
Indeterminate from visual assessment alone
Inclusions
Natural feather fractures, clouds, and mineral crystal inclusions visible internally
Blemishes
Natural surface etch channels, trigons, and rough skin
Origin
Likely alluvial or primary kimberlite pipe deposit (Africa, Canada, or Russia)
Treatment Detection
Untreated, completely natural rough crystal
Estimated Value
$500 - $1,500 depending on final yield if cut, higher as a unique mineral specimen
Certification Estimate
GIA or similar major lab report confirming rough status and natural origin
Investment Potential
Holds value as a collector specimen rather than a traditional investment diamond
Similar Diamonds
Other natural industrial or specimen-grade rough diamond crystals
Setting Suggestions
Wire-wrapped pendant, custom organic bezel setting to preserve the raw form
Care & Maintenance
Store separately to avoid scratching other jewelry; clean gently with warm soapy water and a soft brush
Interesting Facts
Rough diamonds display natural growth marks called trigons (triangular depressions) on their crystal faces