Natural (Rough/Uncut)
Natural (Rough/Uncut) · Rough Octahedral/Irregular
N/A (Rough crystal) Cut
Carat
Estimated 2.5 - 4.5 carats
Color
Estimated K-M (Faint Yellow/Light Brown tint)
Clarity
Estimated I1 to I2 (Included)
Shape
Rough Octahedral/Irregular
Overall Assessment
This is a natural rough diamond crystal with a distinct crystalline structure. It appears to have significant internal inclusions and a warm tint, making it a common specimen-grade or commercial-grade rough stone rather than investment-grade.
Cut Quality
N/A (Rough crystal)
Brilliance
Low (Uncut state minimizes light return)
Fire
Minimal (Undispersed light)
Scintillation
Poor (Lacks faceted reflections)
Proportions
N/A (Raw specimen)
Symmetry
Poor (Natural crystal faces)
Polish
N/A (Natural skin/surface)
Fluorescence
Indeterminable from photo
Inclusions
Visible internal twinning wisps, crystals, and feathers
Blemishes
Natural trigons, surface pitting, and percussion marks
Origin
Primary/Alluvial source (Likely African or Brazilian)
Treatment Detection
None visible (Natural rough state)
Estimated Value
$400 - $1,200 (Wholesale rough depending on internal yields)
Certification Estimate
Rough specimens usually require GIA Rough Diamond Grading Report
Investment Potential
Low (High risk regarding polished yield and final color/clarity outcome)
Similar Diamonds
Raw macle or octahedral rough crystals
Setting Suggestions
Bezel or claw 'Rough Diamond' jewelry, or cut into a smaller polished stone
Care & Maintenance
Ultrasonic cleaning safe; keep away from other rough diamonds to avoid scratching
Interesting Facts
Rough diamonds often have 'trigons' (triangular indentations) on the surface that prove their natural growth