Natural rough crystal
Natural rough crystal · Rough crystal / Uncut elongated octahedral form
Not applicable (Rough, unpolished crystal) Cut
Carat
Estimated 2.5 - 3.5 carats
Color
Near-colorless to light brown tint (Estimated H-J range)
Clarity
Included / Industrial to lower-tier ornamental clarity (Estimated I1-I2)
Shape
Rough crystal / Uncut elongated octahedral form
Overall Assessment
An interesting, natural rough diamond crystal displaying typical raw growth characteristics, best suited for mineral collections or custom organic jewelry designs.
Cut Quality
Not applicable (Rough, unpolished crystal)
Brilliance
Limited due to rough surface and internal inclusions
Fire
Minimal dispersion visible in current rough state
Scintillation
Low, lacking faceted optical return
Proportions
N/A for rough stones; elongated crystal habit
Symmetry
Natural crystal symmetry, distorted octahedral growth
Polish
Natural crystal face finish (striations and trigons likely present)
Fluorescence
Cannot be determined accurately without UV testing; likely None to Faint
Inclusions
Internal feather fractures, cloudiness, and crystal inclusions visible
Blemishes
Natural surface pitting, rough skin, and trigons
Origin
Alluvial deposit or primary kimberlite pipe origin (Africa or Russia typical)
Treatment Detection
No treatments detected; completely natural rough state
Estimated Value
Varies by weight and industrial vs. specimen grade, roughly $100 - $300 as a mineral specimen
Certification Estimate
GIA or local gemological lab for rough verification
Investment Potential
Low as a liquid gemstone asset; moderate as a raw mineral specimen for collectors
Similar Diamonds
Other unassorted run-of-mine rough diamond crystals
Setting Suggestions
Raw crystal pendant or electroformed bezel setting to preserve natural form
Care & Maintenance
Store separately to prevent scratching other materials; clean with mild soapy water
Interesting Facts
Rough diamonds display natural growth marks called trigons on their octahedral faces