Natural Raw Diamond (Industrial/Crystal Specimen)
Natural Raw Diamond (Industrial/Crystal Specimen) · Rough / Uncut Macle Crystal
Not Applicable (Rough) Cut

Carat
Estimated 1.5 - 2.5 carats
Color
Varying from Near-Colorless to Light Brown (K-M equivalent)
Clarity
I3 (Included / Specimen Quality)
Shape
Rough / Uncut Macle Crystal
Overall Assessment
This is a natural, unpolished diamond macle crystal of industrial or specimen quality, showing characteristic trigons and growth patterns but lacking gem-quality clarity for traditional faceting.
Cut Quality
Not Applicable (Rough)
Brilliance
Low (Surface reflections only)
Fire
None visible in current state
Scintillation
Low (Minimal light return)
Proportions
Irregular natural elongated structure
Symmetry
Poor (Natural asymmetric growth)
Polish
None (Natural crystal faces)
Fluorescence
Inconclusive without UV light
Inclusions
Significant internal fractures, crystal twinning, and mineral inclusions
Blemishes
Natural trigons, growth lines, and surface pitting
Origin
Likely African (e.g., DRC or Sierra Leone)
Treatment Detection
None apparent; looks completely natural
Estimated Value
$150 - $400 (Specimen value)
Certification Estimate
GIA Rough Diamond Report (Specimen origin only)
Investment Potential
Low; primarily for collectors or cutters
Similar Diamonds
Uncut industrial-grade bort or macle crystals
Setting Suggestions
Industrial drill bit, rough-diamond jewelry, or wire-wrapped pendant
Care & Maintenance
Avoid high heat or ultrasonic cleaning due to surface-reaching fractures
Interesting Facts
The visible striations are growth lines formed by carbon atoms stacking over millions of years.