Natural diamond crystal (rough / unpolished)
Natural diamond crystal (rough / unpolished) · Rough crystal / elongated octahedral or distorted fragment
Not applicable (rough, uncut crystal) Cut
Carat
Estimated 3.5 to 5.0 carats (rough specimen)
Color
Estimated near-colorless to faint yellow (H-J range)
Clarity
Included (I1-I2 range for rough evaluation)
Shape
Rough crystal / elongated octahedral or distorted fragment
Overall Assessment
An interesting natural diamond crystal specimen with visible growth lines and structural characteristics, ideal for specialized cutting or collector display.
Cut Quality
Not applicable (rough, uncut crystal)
Brilliance
Low due to unpolished and rough state
Fire
Minimal dispersion visible through rough surfaces
Scintillation
Absent prior to cutting and faceting
Proportions
Natural elongated crystal habit; standard cut proportions do not apply
Symmetry
Natural crystal symmetry, distorted growth lines visible
Polish
Unpolished natural crystal faces (trigons and striations visible)
Fluorescence
Indeterminate from visual assessment (typically None to Faint in such roughs)
Inclusions
Internal feathers, cloudiness, and natural crystal growth lines
Blemishes
Natural surface etching, trigons, and rough edge chipping
Origin
Alluvial or primary kimberlite deposit origin (natural rough)
Treatment Detection
No treatments detected; completely untreated natural rough
Estimated Value
$500 - $1,500 USD depending on cutting potential and final yield
Certification Estimate
GIA or similar major lab would issue a rough diamond report or weight/clarity estimation prior to cutting
Investment Potential
Moderate, primarily valued as a specimen or for custom cutting potential
Similar Diamonds
Standard run-of-mine industrial or commercial grade rough diamond crystals
Setting Suggestions
Recommended to be custom cut and faceted into an Emerald or Oval shape, or preserved as a raw crystal pendant in a bezel setting
Care & Maintenance
Store in a soft pouch away from harder gemstones to prevent surface scratching
Interesting Facts
Shows distinct natural growth striations characteristic of unworked diamond rough