Rough Natural Diamond Crystal
Rough Natural Diamond Crystal · Rough Octahedral / Irregular Crystal
Not Applicable (Uncut Rough Crystal) Cut

Carat
Estimated 2.50 to 3.50 carats
Color
Near Colorless (Estimated G-H range)
Clarity
Included (Estimated SI1-SI2 range based on surface features and interior structure)
Shape
Rough Octahedral / Irregular Crystal
Overall Assessment
This is a raw, uncut natural diamond crystal displaying characteristic growth lines and surface textures. It presents an authentic geological specimen with potential for custom cutting into a faceted gemstone.
Cut Quality
Not Applicable (Uncut Rough Crystal)
Brilliance
Low (due to rough, unpolished surfaces)
Fire
Minimal dispersion visible through rough exterior
Scintillation
Poor due to lack of facets
Proportions
Natural rough geometry, non-standard
Symmetry
Natural crystal growth symmetry
Polish
Unpolished natural crystal faces showing growth lines and trigons
Fluorescence
Cannot be determined without UV testing (Likely None to Faint)
Inclusions
Internal feather fractures, crystals, and carbon spots typical of rough stones
Blemishes
Natural surface etch channels, growth lines (trigons/striations)
Origin
Natural alluvial or primary kimberlite deposit origin
Treatment Detection
No signs of artificial treatment; completely untreated natural rough
Estimated Value
Varies by weight and purity, approximately $3,000 to $6,000 USD for uncut rough
Certification Estimate
GIA or IGI would classify this as an uncertified rough diamond specimen
Investment Potential
Moderate, primarily valued as a collector's mineral specimen or custom-cut candidate
Similar Diamonds
Comparable natural rough diamond specimens and industrial or custom-cut diamond stock
Setting Suggestions
Custom raw diamond bezel setting or prong setting to preserve natural crystal shape in 14k yellow gold or platinum
Care & Maintenance
Store separately to prevent scratching other jewelry, clean with warm soapy water and a soft brush
Interesting Facts
Rough diamonds display natural growth markings such as triangular etch pits called trigons on their crystal faces