Natural rough diamond crystal

Natural rough diamond crystal · Rough crystal / Irregular elongated octahedral form

Not applicable (Rough, unpolished crystal) Cut

Natural rough diamond crystal - Rough crystal / Irregular elongated octahedral form

Carat

Estimated 1.5 to 2.5 carats

Color

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

Clarity

Included (I1-I2)

Shape

Rough crystal / Irregular elongated octahedral form

Overall Assessment

An interesting, natural rough diamond specimen showing authentic crystal characteristics, offering potential for a unique custom-cut gem or collection display piece.

Cut Quality

Not applicable (Rough, unpolished crystal)

Brilliance

Low to moderate due to rough exterior preventing optimal light refraction

Fire

Minimal dispersion visible on the unpolished surface

Scintillation

Limited flash due to lack of standard pavilion and crown facets

Proportions

Natural uncut proportions with irregular depth and facets

Symmetry

Asymmetrical due to natural crystal growth habits

Polish

Natural rough crystal faces (some trigons or striations expected)

Fluorescence

Unknown without UV testing (likely Faint or Medium Blue)

Inclusions

Internal feather fractures, pinpoints, and natural cloud formations visible

Blemishes

Natural surface textures, indentation marks, and rough skin

Origin

Alluvial or primary kimberlite pipe deposit, exact country unknown without laser inscription or trace element analysis

Treatment Detection

No treatments detected; completely untreated natural rough stone

Estimated Value

Varies significantly based on cutting potential, roughly $300 - $800 as rough mineral specimen

Certification Estimate

GIA or similar major lab report for rough stone identification and provenance

Investment Potential

Held mainly as a mineral specimen or speculative asset prior to custom cutting

Similar Diamonds

Other alluvial or mine-run rough diamond crystals of similar size and clarity

Setting Suggestions

Organic-style bezel setting or wire-wrap to preserve its raw, uncut character

Care & Maintenance

Clean gently with warm soapy water and a soft brush; avoid harsh ultrasonic cleaners if extensive internal feather fractures are present

Interesting Facts

Rough diamonds showcase the raw geological marvel of carbon crystallized deep within the Earth's mantle before human intervention

Identified on 8/21/2026