Natural rough diamond crystal
Natural rough diamond crystal · Rough crystal / Irregular octahedron fragment
Not applicable (Uncut rough stone) Cut
Carat
Estimated 1.5 - 2.5 carats
Color
Fancy Brownish-Yellow or reddish-orange luminescence under intense backlighting
Clarity
I1 to I2 (Included rough with internal fractures)
Shape
Rough crystal / Irregular octahedron fragment
Overall Assessment
An interesting, natural rough diamond crystal displaying distinct crystal habit and surface features, backlit intensely to reveal internal structure and warm coloration.
Cut Quality
Not applicable (Uncut rough stone)
Brilliance
Low to moderate due to rough surface and heavy inclusions
Fire
Obscured by rough state and inclusions
Scintillation
Limited flash effect due to unfaceted nature
Proportions
Natural morphology; typical distorted octahedral habit
Symmetry
Natural asymmetrical crystal formation with striations
Polish
Natural unpolished crystal faces (trigons and etch channels visible)
Fluorescence
Indeterminate from visual backlighting, likely inert to medium
Inclusions
Heavy internal feathers, clouds, and stress fractures
Blemishes
Natural surface etch marks, cavities, and trigons
Origin
Natural alluvial or primary kimberlite pipe deposit
Treatment Detection
None detected; completely untreated natural rough
Estimated Value
$100 - $300 USD as mineral specimen or rough cutter
Certification Estimate
GIA or EGL grading as a rough industrial or low-gem quality crystal
Investment Potential
Low investment potential; primarily valued as a collector mineral specimen
Similar Diamonds
Industrial grade and low-gem quality rough diamond crystals from African or Canadian mines
Setting Suggestions
Wire-wrapped raw crystal pendant or rustic bezel setting in yellow gold
Care & Maintenance
Store separately to prevent scratching other stones; avoid harsh chemical cleaners
Interesting Facts
Displays natural growth lines (triangular striations called trigons) on the crystal faces