Natural rough crystal

Natural rough crystal · Rough crystal / elongated octahedral form

Not applicable (Rough, unpolished crystal) Cut

Natural rough crystal - Rough crystal / elongated octahedral form

Carat

Estimated 2.50 to 3.50 carats based on visual scale

Color

Near-colorless to faint yellow tint (K-M range)

Clarity

Included (I1-I2)

Shape

Rough crystal / elongated octahedral form

Overall Assessment

This is a genuine, untreated natural rough diamond crystal in an unworked state. While not suitable for high-end traditional jewelry without significant cutting and polishing, it serves as a fascinating specimen for mineral collectors and showcases the raw beauty of natural diamond formation.

Cut Quality

Not applicable (Rough, unpolished crystal)

Brilliance

Low to moderate due to rough surface and internal inclusions

Fire

Minimal visible fire in current rough state

Scintillation

Limited, reflecting light off natural crystal faces rather than facets

Proportions

Natural elongated crystal habits, not faceted

Symmetry

Natural asymmetrical rough formation typical of unworked crystals

Polish

Natural unpolished crystal faces (trigons and striations visible)

Fluorescence

Cannot be definitively determined without UV testing, likely Faint to Medium Blue

Inclusions

Heavy internal feather fractures, mineral inclusions, and carbon spots

Blemishes

Natural surface etching, trigons, and adhering matrix minerals

Origin

Alluvial deposit or primary kimberlite pipe origin, unverified geographical source

Treatment Detection

No treatments detected; completely natural as-mined condition

Estimated Value

Varies by weight, typically valued at lower rough diamond market rates ($200 - $600 USD)

Certification Estimate

GIA or EGL, grading as rough natural diamond or industrial/commercial grade

Investment Potential

Low investment value as a loose specimen, primarily valued by collectors of raw minerals

Similar Diamonds

Other unassorted run-of-mine natural rough diamond crystals of industrial or low-jewelery grade

Setting Suggestions

Best preserved as a raw mineral specimen or set in a unique organic/bespoke wire-wrap or bezel setting

Care & Maintenance

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

Interesting Facts

Displays natural growth lines (striations) and typical diamond crystal elongation features

Identified on 8/25/2026
Natural rough crystal Rough crystal / elongated octahedral form | Diamond Identifier