Natural rough diamond crystal

Natural rough diamond crystal · Rough octahedron/fragment

Not applicable (Rough, uncut stone) Cut

Natural rough diamond crystal - Rough octahedron/fragment

Carat

Estimated 2.0 - 3.5 carats based on visual scale

Color

Near colorless to light brown tint (approx. G-I range)

Clarity

Included (I1-I2)

Shape

Rough octahedron/fragment

Overall Assessment

An interesting, unpolished natural diamond crystal showing characteristic growth lines and internal features, primarily suited for specimen collection or specialized raw-stone jewelry.

Cut Quality

Not applicable (Rough, uncut stone)

Brilliance

Low due to rough, unpolished state and internal fractures

Fire

Minimal visible fire in current rough state

Scintillation

Poor due to lack of faceted surfaces

Proportions

Natural rough proportions, deep and irregular

Symmetry

Natural octahedral crystallization symmetry

Polish

Natural crystal faces (trigons and striations visible)

Fluorescence

Cannot be definitively determined without UV testing (Likely None to Faint)

Inclusions

Visible internal feathers, fractures, and crystal inclusions

Blemishes

Natural surface pitting, rough skin, and growth lines

Origin

Natural primary alluvial or kimberlite deposit

Treatment Detection

No signs of artificial treatment; completely untreated natural rough

Estimated Value

$500 - $1,500 depending on cutting yield and internal purity

Certification Estimate

GIA or IGI would evaluate as a rough diamond specimen

Investment Potential

Moderate as a collector specimen, but low for commercial resale if cut quality is low

Similar Diamonds

Typical industrial or lower-gem quality run-of-mine rough diamonds

Setting Suggestions

Can be set in a custom organic wire-wrap or raw bezel setting without cutting

Care & Maintenance

Store carefully away from other hard gems to prevent chipping along cleavage planes

Interesting Facts

Diamonds possess perfect octahedral cleavage, meaning they can split along specific planes with a single hard blow

Identified on 8/24/2026
Natural rough diamond crystal Rough octahedron/fragment | Diamond Identifier