Rough Diamond / Natural Specimen
Rough Diamond / Natural Specimen · Uncut Octahedron / Irregular Crystal
Not Applicable (Rough, uncut stone) Cut
Carat
Estimated 2.5 - 3.5 carats
Color
Natural yellowish-green hue
Clarity
Included / I1 (Industrial grade raw crystal with internal imperfections)
Shape
Uncut Octahedron / Irregular Crystal
Overall Assessment
This is a fascinating unpolished natural diamond crystal showing characteristic raw textures and natural growth lines, offering potential for custom cutting or as a raw mineral specimen.
Cut Quality
Not Applicable (Rough, uncut stone)
Brilliance
Subdued due to unpolished surfaces and natural inclusions
Fire
Limited dispersion visible on raw crystal faces
Scintillation
Minimal play of light prior to cutting and faceting
Proportions
Natural rough proportions, requires sawing and blocking
Symmetry
Natural crystal symmetry showing octahedral growth lines
Polish
Natural unpolished crystal face (rough texture)
Fluorescence
Unable to determine visually without UV testing
Inclusions
Internal cloudiness, carbon spots, and natural feather fractures
Blemishes
Natural surface trigons, rough skin, and growth etchings
Origin
Alluvial or primary kimberlite pipe deposit
Treatment Detection
Untreated natural rough stone
Estimated Value
$500 - $1,500 depending on cutting yield
Certification Estimate
GIA (Gemological Institute of America) Rough Diamond Report
Investment Potential
Moderate, primarily valued as a raw collector specimen or for cutting yield
Similar Diamonds
Standard industrial or low-gem quality run-of-mine rough stones
Setting Suggestions
Raw mineral display mounting or custom designer organic setting
Care & Maintenance
Store separately to avoid scratching other gemstones; clean with mild soapy water
Interesting Facts
Rough diamonds preserve the natural geological history and growth patterns formed deep within the Earth's mantle.