Rough Diamond Crystal (Uncut)

Rough Diamond Crystal (Uncut) · Natural Octahedral/Rough Fragment

Not Applicable (Uncut) Cut

Rough Diamond Crystal (Uncut) - Natural Octahedral/Rough Fragment

Carat

Estimated 2.0 to 5.0 carats based on visible scale

Color

J-L (Faint Yellow/Grey tint visible)

Clarity

I1-I2 (Significant internal veining and structural imperfections)

Shape

Natural Octahedral/Rough Fragment

Overall Assessment

A genuine natural rough diamond specimen with visible growth characteristics, suitable for a collector or for cutting into smaller commercial grade stones.

Cut Quality

Not Applicable (Uncut)

Brilliance

Low (Requires faceting to display light return)

Fire

Low (Minimal spectral dispersion in rough state)

Scintillation

Low (Visible only on natural crystal faces)

Proportions

Indeterminate (Rough specimen)

Symmetry

None (Rough/Asymmetric)

Polish

Natural skin (unpolished)

Fluorescence

Non-detectable under white light

Inclusions

Visible internal twinning wisps, crystals, and feathers

Blemishes

Surface trigons and growth lines consistent with natural rough

Origin

Likely Alluvial source (potentially African origin)

Treatment Detection

None detected; appears to be in its natural state

Estimated Value

$400 - $1,200 per carat in current rough state

Certification Estimate

GIA (Rough Identification Report)

Investment Potential

Low to Medium; value depends on potential yield of faceted stones

Similar Diamonds

Alluvial diamond crystals and Kimberlite specimens

Setting Suggestions

Specimen display or custom 'Rough' jewelry design like a claw-set pendant

Care & Maintenance

Safe to clean with ultrasonic or warm soapy water; avoid extreme impacts

Interesting Facts

The surface displays 'trigons', which are triangular growth marks unique to natural diamonds.

Identified on 5/2/2026
Rough Diamond Crystal (Uncut) Natural Octahedral/Rough Fragment | Diamond Identifier