Natural (Rough Crystal)
Natural (Rough Crystal) · Uncut / Raw Octahedral / Irregular Crystal
Not Applicable (Rough, uncut stone) Cut
Carat
Estimated between 2.50 to 3.50 carats based on size relative to fingers
Color
Estimated K-M (Light Brownish / Off-White tint)
Clarity
Estimated SI2 - I1 (Visible surface growth lines, internal feathers, and dark mineral inclusions)
Shape
Uncut / Raw Octahedral / Irregular Crystal
Overall Assessment
An interesting, natural, rough diamond crystal with visible growth features and inclusions. While it lacks the brilliance of a faceted diamond, its raw, unaltered state makes it a fascinating collector's piece or a unique candidate for organic jewelry designs after professional evaluation.
Cut Quality
Not Applicable (Rough, uncut stone)
Brilliance
Low to Moderate due to rough, unpolished state and internal inclusions
Fire
Minimal visible fire due to rough surface and lack of facets
Scintillation
Poor due to lack of standard facet geometry
Proportions
Not Applicable (Uncut rough crystal with natural faces)
Symmetry
Natural asymmetrical rough crystal form
Polish
Natural crystalline surface textures, striations, and trigons
Fluorescence
Cannot be determined without UV testing, likely Faint to Medium Blue
Inclusions
Internal dark carbon spots, feather fractures, and cloudiness
Blemishes
Natural surface etching, rough skin, pitting, and growth lines
Origin
Likely alluvial or primary pipe deposit (e.g., Africa, Russia, or Canada)
Treatment Detection
No signs of artificial treatment; completely natural rough crystal
Estimated Value
$300 - $600 USD (rough value depending on potential yield after cutting)
Certification Estimate
GIA or IGI could issue a rough diamond report or origin certificate if submitted
Investment Potential
Low as a polished gem investment, moderate as a collector's specimen
Similar Diamonds
Other low-gem-quality or industrial-grade rough natural diamond crystals
Setting Suggestions
Raw diamond pendant using a secure wire-wrap or bezel setting to showcase the natural crystal form
Care & Maintenance
Store separately to prevent scratching other stones; clean with warm soapy water and a soft brush; avoid harsh ultrasonic cleaners due to internal fractures
Interesting Facts
This specimen displays distinct natural growth lines (trigons or striations) typical of unworked octahedral rough diamond crystals formed deep within the Earth's mantle