Natural Diamond or Mineral Crystal
Natural Diamond or Mineral Crystal · Rough / Uncut
N/A (Rough State) Cut
Carat
Estimated 15-25 carats based on finger scale
Color
Colorless to Near-Colorless (D-F Range)
Clarity
Translucent to Transparent (VS range potentially)
Shape
Rough / Uncut
Overall Assessment
This is a significant uncut crystal specimen exhibiting clear characteristic growth patterns (trigons) typical of a high-quality natural diamond.
Cut Quality
N/A (Rough State)
Brilliance
Low (surface reflections only)
Fire
Low (requires faceting for dispersion)
Scintillation
Minimal due to lack of facets
Proportions
Natural crystalline structure with distinct trigons
Symmetry
N/A (Rough State)
Polish
N/A (Natural Surface)
Fluorescence
Indeterminate without UV source
Inclusions
Few visible internal feathers or planes near the surface
Blemishes
Surface growth markings and natural frosting
Origin
Likely Alluvial source (South Africa or Brazil)
Treatment Detection
None apparent; looks like a raw, untreated specimen
Estimated Value
$15,000 - $65,000 depending on final yield and internal purity
Certification Estimate
GIA (Rough Diamond Report) or IGI
Investment Potential
High, specifically for collectors or as a high-yield facet rough
Similar Diamonds
Kullinan rough or larger De Beers specimen samples
Setting Suggestions
Best kept as a specimen or custom 'rough' tension setting
Care & Maintenance
Protect from high-pressure impact; clean with warm soapy water
Interesting Facts
Rough diamonds often have a greasy luster before being cut and polished.