Natural Rough Diamond
Natural Rough Diamond · Rough Octahedral/Macle (Uncut)
Not Applicable (Rough) Cut

Carat
Estimated 10.00 - 15.00 carats
Color
Estimated Near-Colorless (G-H range)
Clarity
Estimated SI1-I1 (based on surface-reaching inclusions)
Shape
Rough Octahedral/Macle (Uncut)
Overall Assessment
A substantial and high-quality natural rough diamond crystal with excellent potential for professional cutting and polishing.
Cut Quality
Not Applicable (Rough)
Brilliance
Low (typical for unpolished rough)
Fire
None visible in current state
Scintillation
Low (natural crystalline surface reflections)
Proportions
Elongated natural crystal habit with visible trigons
Symmetry
Good (for natural rough crystal structure)
Polish
N/A (Natural growth faces)
Fluorescence
Cannot be determined without UV light
Inclusions
Dark mineral crystals, internal fractures (feathers), and cloud-like clusters
Blemishes
Surface percussion marks and natural growth striations
Origin
Likely African (e.g., Botswana or DRC) or Canadian
Treatment Detection
None detected; appears natural and untreated
Estimated Value
$15,000 - $35,000 (highly dependent on potential yield)
Certification Estimate
GIA (Rough Diamond Dossier)
Investment Potential
High (as a specimen or for potential cutting profit)
Similar Diamonds
Uncut stones of similar carat weight sold at De Beers sightholder auctions
Setting Suggestions
Rough diamond specimen setting or custom bezel for organic jewelry design
Care & Maintenance
Avoid ultrasonic cleaners due to internal fractures; clean with soft brush and warm water
Interesting Facts
The surface displays 'trigons,' which are triangular growth pits unique to natural diamonds.