Natural rough diamond crystal

Natural rough diamond crystal · Rough octahedral/elongated crystal form, unpolished

Not applicable (uncut rough specimen) Cut

Natural rough diamond crystal - Rough octahedral/elongated crystal form, unpolished

Carat

Estimated 2.0 to 3.5 carats based on visual proportions

Color

Near-colorless to light brown tint (approx. G-I range)

Clarity

Included (I1-I2) due to noticeable internal fractures and cloudiness

Shape

Rough octahedral/elongated crystal form, unpolished

Overall Assessment

An intriguing natural rough diamond crystal displaying authentic geological features, growth lines, and untreated character ideal for collectors or custom organic jewelry.

Cut Quality

Not applicable (uncut rough specimen)

Brilliance

Limited due to rough surface and natural opacity

Fire

Subdued due to unpolished state and internal fractures

Scintillation

Minimal sparkle, reflective primarily on natural crystal faces

Proportions

Elongated natural crystal habit with irregular growth faces

Symmetry

Natural crystal symmetry showing octahedral growth lines and striations

Polish

Natural unpolished crystal surfaces, showing original rough texture and growth features

Fluorescence

Indeterminate from visual assessment alone, likely none to faint

Inclusions

Internal feather fractures, twinning lines, and mineral inclusions visible

Blemishes

Natural surface trigons, rough pitting, and surface etching

Origin

Likely alluvial or primary kimberlitic deposit (African or Canadian origin)

Treatment Detection

No treatments detected; completely untreated natural rough

Estimated Value

Varies widely based on potential cutting yields, roughly $1,500 to $4,000 USD for rough specimen

Certification Estimate

GIA rough diamond evaluation or Kimberley Process origin certificate

Investment Potential

Moderate, prized more by collectors of mineral specimens than standard investors

Similar Diamonds

Unaltered octahedral rough diamonds and uncut crystal jewelry pieces

Setting Suggestions

Best preserved as a raw mineral specimen or set in a custom organic bezel setting

Care & Maintenance

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

Interesting Facts

Rough diamonds retain the ancient geological memory of the Earth's mantle where they formed billions of years ago

Identified on 8/24/2026
Natural rough diamond crystal Rough octahedral/elongated crystal form, unpolished | Diamond Identifier