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

Carat
Estimated 2.5 - 4.0 carats
Color
Near Colorless to Light Brown (K-M range)
Clarity
Included (I1 - I2)
Shape
Rough Octahedral / Irregular Crystal
Overall Assessment
An interesting and authentic natural rough diamond crystal featuring visible inclusions and a characteristic raw morphology, ideal for mineral collectors or bespoke organic jewelry.
Cut Quality
Not Applicable (Uncut Rough)
Brilliance
Low to Moderate due to rough surface and opacity
Fire
Minimal dispersion due to uncut faces
Scintillation
Low, characterized by surface reflection rather than internal facets
Proportions
Natural rough morphology, unproportioned
Symmetry
Natural Asymmetric Crystal Formation
Polish
Natural Unpolished Crystalline Faces
Fluorescence
Cannot determine without UV testing (Likely Inert to Faint Blue)
Inclusions
Internal clouds, feathers, and mineral crystals visible
Blemishes
Natural growth lines, trigons, and surface pitting
Origin
Natural alluvial or primary kimberlite pipe deposit
Treatment Detection
No treatments detected (Untreated natural rough)
Estimated Value
$300 - $800 depending on exact weight and cutting potential
Certification Estimate
GIA or specialized rough-diamond certificate estimating natural industrial or lower-tier gem grade
Investment Potential
Low to moderate, primarily valued as a mineral specimen or for custom organic jewelry design
Similar Diamonds
Other natural unpolished rough diamond octahedrons and industrial-grade crystals
Setting Suggestions
Raw mineral bezel setting in yellow gold or sterling silver to preserve the natural crystal form
Care & Maintenance
Clean gently with warm soapy water and a soft brush; avoid harsh ultrasonic cleaners due to internal fractures
Interesting Facts
Displays natural crystal growth features such as stepped faces and triangular etch marks known as trigons