Natural rough crystal
Natural rough crystal · Rough crystal / elongated tabular form
Not applicable (uncut rough specimen) Cut
Carat
Estimated 4 to 6 carats
Color
Colorless to near-colorless (estimated G-I)
Clarity
Estimated VS1 to VS2 based on transparency and visible internal features
Shape
Rough crystal / elongated tabular form
Overall Assessment
A fascinating, high-clarity natural rough diamond crystal displaying classic growth lines and transparency, ideal for bespoke custom cutting or collector display.
Cut Quality
Not applicable (uncut rough specimen)
Brilliance
Good natural vitreous luster on crystal faces
Fire
Limited dispersion due to rough, unpolished surface
Scintillation
Minimal sparkle due to lack of standard facet patterns
Proportions
Natural rough proportions, uncut specimen
Symmetry
Natural crystal symmetry, elongated macdle or distorted octahedral habit
Polish
Natural crystal faces showing typical strictions and trigons
Fluorescence
Cannot be determined visually without UV testing (typically none to faint in natural rough)
Inclusions
Internal feathering and small pinpoint inclusions visible
Blemishes
Natural surface etching, trigons, and striations along the crystal face
Origin
Likely alluvial or primary kimberlite deposit (African or South American origin)
Treatment Detection
No evidence of artificial treatment; completely natural rough state
Estimated Value
$500 - $1,500 depending on final cut yield and purity
Certification Estimate
GIA or similar major lab for rough diamond origin verification report
Investment Potential
Moderate, highly valued by collectors of rough minerals and bespoke jewelry designers
Similar Diamonds
Other natural unpolished octahedral and tabular rough diamond crystals
Setting Suggestions
Best preserved as a raw mineral specimen in a custom organic wire-wrap or bezel setting
Care & Maintenance
Store separately to avoid scratching other stones; clean with warm soapy water and a soft brush
Interesting Facts
Rough diamonds display natural crystal growth features like triangular etch marks called trigons