Natural rough diamond specimen

Natural rough diamond specimen · Rough crystal, uncut and unpolished raw form

Not applicable (Rough crystal specimen) Cut

Natural rough diamond specimen - Rough crystal, uncut and unpolished raw form

Carat

Estimated 2.5 - 3.5 carats

Color

Light brown to off-white (N-P range equivalent)

Clarity

I2 - I3 (Included with multiple natural internal flaws and surface features)

Shape

Rough crystal, uncut and unpolished raw form

Overall Assessment

An interesting natural rough diamond specimen exhibiting raw geological characteristics. While unsuitable for standard faceted jewelry without significant weight loss and cutting, it serves as an excellent educational and collectible mineral piece.

Cut Quality

Not applicable (Rough crystal specimen)

Brilliance

Low, limited by rough surface texture and opacity

Fire

Minimal due to uncut state and inclusion levels

Scintillation

Discontinuous and weak flash patterns across natural faces

Proportions

Irregular raw crystal habit, no standard pavilion or crown angles

Symmetry

Natural asymmetrical crystal growth

Polish

Natural crystalline faces and fracture surfaces

Fluorescence

Cannot be determined without UV testing, likely faint to moderate blue

Inclusions

Heavy internal cloudiness, mineral inclusions, feathers, and fracture lines

Blemishes

Natural surface textures, trigons possibly present, surface pits, and rough fracture planes

Origin

Alluvial or primary kimberlite/lamproite pipe deposit (African or South American origin likely)

Treatment Detection

No treatments detected; entirely natural unenhanced rough stone

Estimated Value

Minimal commercial value as a gemstone; primarily valued as a mineral specimen or educational piece ($100 - $300 USD)

Certification Estimate

Gemological lab certificate of authenticity as a natural rough mineral specimen, ungraded for standard commercial cut grades

Investment Potential

Low investment value as a gem, strictly collectible as a specimen

Similar Diamonds

Industrial grade rough diamonds, mineral specimen grade rough diamonds

Setting Suggestions

Wire-wrapped pendant, organic bezel setting, or raw mineral display mount

Care & Maintenance

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

Interesting Facts

Rough diamonds show natural crystal growth marks like striations and triangular growth features called trigons, reflecting their deep Earth formation.

Identified on 9/11/2026
Natural rough diamond specimen Rough crystal, uncut and unpolished raw form | Diamond Identifier