Rough Natural Diamond Crystal
Rough Natural Diamond Crystal · Elongated Octahedron / Dodecahedron Rough Crystal
Not Applicable (Uncut Rough) Cut
Carat
Estimated 2.50 to 3.50 carats based on dimensions
Color
Fancy Light Greenish-Blue or Boart-like tint
Clarity
I2 to I3 (Heavy surface etching and internal inclusions)
Shape
Elongated Octahedron / Dodecahedron Rough Crystal
Overall Assessment
This is a fascinating, unpolished natural rough diamond crystal displaying classic surface etching features (trigons). While low in clarity for traditional faceted gemstone use, it possesses high character and appeal for collectors of raw minerals or bespoke organic jewelry designs.
Cut Quality
Not Applicable (Uncut Rough)
Brilliance
Low due to unpolished rough surfaces scattering light externally
Fire
Obscured by surface texture and inclusions
Scintillation
Minimal to none in its current rough, unpolished state
Proportions
Natural rough proportions, uncut crystal morphology
Symmetry
Natural crystal symmetry (elongated rectangular habit)
Polish
Raw natural crystal skin with triangular etch pits (trigons)
Fluorescence
Cannot be definitively determined without UV testing, likely None to Faint
Inclusions
Numerous internal cloud clusters, feathers, and carbon spots typical of rough diamonds
Blemishes
Extensive surface trigons, natural pitting, and etch channels
Origin
Likely alluvial or primary pipe deposit (e.g., African or South American origin)
Treatment Detection
No signs of enhancement; entirely untreated natural state
Estimated Value
Varies widely by industrial versus gem grade; estimated gem-rough value $500 - $1,500 depending on internal sawing potential
Certification Estimate
GIA or IGI (Rough Diamond Report / Origin Report if applicable)
Investment Potential
Moderate as a unique mineral specimen or custom uncut jewelry piece, low for standard resale liquidity
Similar Diamonds
Industrial or low-gem quality elongated rough diamond crystals
Setting Suggestions
Best preserved as a raw mineral specimen, or custom wire-wrapped pendant / organic bezel setting in yellow or white gold
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid harsh chemicals and ultrasonic cleaners due to structural fractures
Interesting Facts
The surface features visible on this crystal are known as trigons, which are natural triangular etch pits formed by hot solvent fluids dissolving the diamond surface deep within the Earth.