Natural rough diamond crystal

Natural rough diamond crystal · Uncut octahedral/irregular rough crystal

Not applicable (Rough, unpolished crystal) Cut

Natural rough diamond crystal - Uncut octahedral/irregular rough crystal

Carat

Estimated 3.5 to 4.5 carats

Color

Estimated near-colorless to faint yellow (approx. G-J)

Clarity

Included (approx. SI2-I1 due to surface features and internal inclusions)

Shape

Uncut octahedral/irregular rough crystal

Overall Assessment

A fascinating natural rough diamond crystal offering good potential for custom cutting or unique organic jewelry design

Cut Quality

Not applicable (Rough, unpolished crystal)

Brilliance

Low to moderate due to rough unpolished exterior

Fire

Present in localized transparent windows

Scintillation

Limited by rough surface texture

Proportions

Natural crystal habit, no traditional proportions applicable

Symmetry

Natural octahedral crystal symmetry with irregular growth faces

Polish

Natural crystal faces (trigons and striations visible)

Fluorescence

Indeterminate from visual assessment alone

Inclusions

Cloudy zones, small mineral crystals, and feather fractures visible

Blemishes

Natural surface pitting, trigons, and irregular growth lines

Origin

Likely alluvial or primary kimberlite pipe deposit (African or Canadian origin)

Treatment Detection

No treatments detected; appears completely untreated and natural

Estimated Value

Varies significantly upon cutting and polishing yield, roughly $1,500 - $3,500 USD in rough state

Certification Estimate

GIA rough diamond evaluation or similar gemological lab service

Investment Potential

Moderate to high speculative potential depending on the final cut yield and polish grade

Similar Diamonds

Other natural gem-quality rough diamond crystals of comparable size and clarity

Setting Suggestions

Can be set directly in an organic-style raw bezel setting or planned for brilliant cut faceting

Care & Maintenance

Store separately to avoid scratching other jewelry; clean gently with warm soapy water and a soft brush

Interesting Facts

Rough diamonds retain their natural geological history, showing growth markings like trigons formed millions of years ago

Identified on 8/22/2026