Natural rough diamond / mineral crystal
Natural rough diamond / mineral crystal · Rough crystal, octahedral/irregular formation
Not applicable (Rough, uncut crystal) Cut
Carat
Estimated 3.5 - 5.0 carats based on rough dimensions
Color
K-M light yellow / brownish tint
Clarity
SI2 - I1 estimated for rough stone with visible natural inclusions
Shape
Rough crystal, octahedral/irregular formation
Overall Assessment
An interesting and raw natural diamond specimen showing classic growth features, well-suited for a collector or lapidary study rather than standard jewelry use without cutting.
Cut Quality
Not applicable (Rough, uncut crystal)
Brilliance
Low (typical of rough stones before cutting and faceting)
Fire
Minimal dispersion visible through raw faces
Scintillation
Poor due to lack of standard facets and polish
Proportions
Natural rough proportions, deep and unoptimized
Symmetry
Natural crystal symmetry, distorted octahedron
Polish
Raw, natural unpolished crystal faces with trigons and striations
Fluorescence
Cannot be determined without UV testing (Likely none to faint)
Inclusions
Natural feathers, internal cloudiness, and crystal inclusions visible
Blemishes
Natural surface etch channels, trigons, and rough skin
Origin
Alluvial or primary kimberlite pipe origin (Africa or Canada)
Treatment Detection
None detected, completely untreated natural rough
Estimated Value
Varies widely based on potential cut yield, estimated at $300 - $800 as rough specimen
Certification Estimate
GIA or IGI rough report if certified
Investment Potential
Moderate as a collector specimen, low as a liquid gemstone investment
Similar Diamonds
Other industrial or low-gem-quality natural rough diamond crystals
Setting Suggestions
Raw mineral pendant or bespoke organic-style prong setting to preserve natural shape
Care & Maintenance
Store separately to avoid scratching softer gems, clean gently with warm soapy water and soft brush
Interesting Facts
Displays natural growth lines (striations) and curved parallel steps typical of rough diamond crystal growth