Natural rough diamond crystal

Natural rough diamond crystal · Uncut octahedral or elongated crystal aggregate (uncut/raw)

Not applicable as it is in an uncut, natural rough state Cut

Natural rough diamond crystal - Uncut octahedral or elongated crystal aggregate (uncut/raw)

Carat

Estimated 2.0 to 3.5 carats based on visual dimensions

Color

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

Clarity

Included (I1 to I2) due to prominent internal fractures and cloudiness visible in the rough state

Shape

Uncut octahedral or elongated crystal aggregate (uncut/raw)

Overall Assessment

This is a fascinating specimen of an untreated natural rough diamond, presenting an authentic glimpse into the mineral state before lapidary processing.

Cut Quality

Not applicable as it is in an uncut, natural rough state

Brilliance

Minimal brilliance due to rough, unpolished surface facets

Fire

Very low dispersion prior to cutting and faceting

Scintillation

Limited flash effect from natural crystal faces rather than precise facets

Proportions

Natural uncut crystal form, standard proportions do not apply

Symmetry

Natural crystal symmetry showing distorted octahedral growth steps

Polish

Natural rough surface textures (trigons and striations expected)

Fluorescence

Cannot be determined accurately without UV testing (likely none to moderate blue)

Inclusions

Feather fractures, internal cloudiness, and dark inclusion spots visible

Blemishes

Natural surface etching, rough skin, and minor resorption features

Origin

Alluvial or primary kimberlitic origin (African or Canadian source likely)

Treatment Detection

None detected; completely untreated natural rough crystal

Estimated Value

Speculative rough diamond market value ranging from $300 to $800 depending on final yield after cutting

Certification Estimate

GIA or IGI grading service if cut and polished; currently raw rough specimen

Investment Potential

Moderate speculative value as a raw collector specimen, higher if successfully cut into a polished stone

Similar Diamonds

Other natural unpolished rough diamond specimens of comparable weight

Setting Suggestions

Can be mounted raw in organic, rustic wire-wrap designs or cut into a traditional round brilliant

Care & Maintenance

Store separately from other jewelry to prevent scratching softer metals and stones; clean with mild soapy water

Interesting Facts

Rough diamonds retain the ancient geological journey from the Earth's mantle, often displaying natural triangular growth markings called trigons

Identified on 8/25/2026