Natural (Rough Crystal)
Natural (Rough Crystal) · Rough Octahedral / Elongated Crystal
Not Applicable (Uncut Rough) Cut

Carat
Estimated 2.5 - 3.5 carats
Color
Brownish-Yellow / Fancy Brown
Clarity
Included (I1 - I2 equivalent due to natural surface features and internal inclusions)
Shape
Rough Octahedral / Elongated Crystal
Overall Assessment
An intriguing, natural uncut diamond crystal displaying characteristic growth features, ideal for mineral collectors or bespoke organic jewelry designs
Cut Quality
Not Applicable (Uncut Rough)
Brilliance
Low due to rough, unpolished surface
Fire
Minimal due to lack of standard facet angles
Scintillation
Limited flash off natural crystal faces
Proportions
Natural elongated rough proportions
Symmetry
Natural crystal symmetry, distorted growth
Polish
Natural crystal faces (trigons and striations visible)
Fluorescence
Unknown without UV testing
Inclusions
Natural mineral inclusions and feather-like internal fracture patterns
Blemishes
Natural surface etch channels, trigons, and rough skin
Origin
Alluvial or primary kimberlite pipe deposit (African or Australian origin likely)
Treatment Detection
No treatments detected; completely natural rough stone
Estimated Value
$300 - $800 depending on exact weight, industrial vs gem quality
Certification Estimate
GIA or similar lab for rough weight and origin report
Investment Potential
Collector/specimen value rather than traditional investment diamond
Similar Diamonds
Other unpolished natural diamond crystals and specimen stones
Setting Suggestions
Raw crystal pendant in yellow gold or sterling silver prong setting
Care & Maintenance
Store separately to avoid scratching other jewelry; clean gently with warm soapy water and a soft brush
Interesting Facts
Rough diamonds preserve the natural geological history of their formation deep within the Earth's mantle before any human intervention