Natural Rough Diamond / Uncut Stone

Natural Rough Diamond / Uncut Stone · Uncut / Rough (Irregular crystalline form)

N/A (Rough stone) Cut

Natural Rough Diamond / Uncut Stone - Uncut / Rough (Irregular crystalline form)

Carat

Estimated 3.0 to 5.0 carats based on finger scale

Color

J-L Range (Noticeable yellowish/warm tint)

Clarity

I2-I3 (Included - visible dark crystals and internal fractures)

Shape

Uncut / Rough (Irregular crystalline form)

Overall Assessment

This is a low-grade natural rough diamond specimen. It exhibits significant internal flaws and a warm color tint, making it more suitable as a mineral specimen than for high-end jewelry faceting.

Cut Quality

N/A (Rough stone)

Brilliance

Low (Lacks faceted reflection)

Fire

None (No faceted dispersion observed)

Scintillation

Low (Visible only on natural crystal faces)

Proportions

Asymmetric natural specimen

Symmetry

N/A (Natural crystal growth; contains cleavage planes)

Polish

N/A (Natural dull to vitreous luster)

Fluorescence

Cannot be determined without UV light

Inclusions

Heavy internal fractures, dark mineral crystals, and clouding

Blemishes

Chipped edges, surface pits, and jagged cleavage surfaces

Origin

Likely alluvial or primary source from Africa or Brazil

Treatment Detection

None detected; appears untreated and raw

Estimated Value

$150 - $450 USD (Low yield due to color and heavy inclusions)

Certification Estimate

GIA Rough Diamond Inspection (Identifies only as natural)

Investment Potential

Low (Specimen value only; not ideal for high-quality cut yield)

Similar Diamonds

Indus valley raw diamonds or low-grade bort

Setting Suggestions

Rough diamond specimen setting or custom wire-wrap

Care & Maintenance

Avoid hard impacts; internal fractures make the stone prone to splitting

Interesting Facts

Rough diamonds often have a greasy luster before being cut and polished.

Identified on 5/8/2026