Natural rough diamond specimen

Natural rough diamond specimen · Rough crystal, uncut irregular octahedral/dodecahedral habit

Not applicable (rough, uncut stone) Cut

Natural rough diamond specimen - Rough crystal, uncut irregular octahedral/dodecahedral habit

Carat

Estimated 4.5 to 6.5 carats based on visual scale against fingers

Color

Estimated near-colorless to light yellow tint (G-J range)

Clarity

Included (rough stone with visible internal fractures and cloudy zones)

Shape

Rough crystal, uncut irregular octahedral/dodecahedral habit

Overall Assessment

An interesting and substantial natural rough diamond crystal specimen displaying characteristic raw texture and growth features, ideal for custom organic jewelry or professional faceting assessment

Cut Quality

Not applicable (rough, uncut stone)

Brilliance

Low to moderate due to rough, unpolished surface scatter

Fire

Obscured by rough crystal surface texture

Scintillation

Minimal until cut and polished

Proportions

Not applicable for rough material

Symmetry

Natural crystal growth symmetry, irregular form

Polish

Natural rough crystal faces (trigons and frosted texture), unpolished

Fluorescence

Cannot be determined without UV lamp testing

Inclusions

Natural mineral inclusions, feather fractures, and internal clouds visible

Blemishes

Natural surface pitting, trigons, and irregular growth lines

Origin

Natural alluvial or primary kimberlite deposit origin

Treatment Detection

No signs of artificial treatment; completely natural rough crystal

Estimated Value

Varies widely depending on cutting yield, estimated between $3,000 to $6,000 USD for rough specimen

Certification Estimate

GIA rough diamond evaluation or Kimberley Process certificate of origin

Investment Potential

Moderate as a collector specimen; high potential value retention if skillfully cut into a polished stone

Similar Diamonds

Other natural unpolished rough diamond crystals of comparable size

Setting Suggestions

Can be mounted in a bespoke raw diamond cage setting or designated for professional cutting and polishing

Care & Maintenance

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

Interesting Facts

Rough diamonds often feature natural triangular growth marks called trigons on their crystal faces

Identified on 8/22/2026