Natural Rough Diamond

Natural Rough Diamond · Uncut / Rough Macle

Not Applicable (Rough) Cut

Natural Rough Diamond - Uncut / Rough Macle

Carat

10.0 to 15.0 carats (estimated based on visible volume)

Color

Faint Pink to Near-Colorless (appears to have faint pleochroic or structural color zones)

Clarity

Translucent to SI (Slightly Included) based on surface graining and internal veils

Shape

Uncut / Rough Macle

Overall Assessment

A substantial specimen of a natural rough diamond with intriguing structural color. Its value lies in its potential as a collectible rough mineral specimen or for professional cleaving and polishing.

Cut Quality

Not Applicable (Rough)

Brilliance

Low (Lustrous adamantine surface rather than internal reflection)

Fire

Subtle spectral colors visible through thin edges (dispersion)

Scintillation

Low (Surface glitter rather than faceted sparkle)

Proportions

High length-to-width ratio; irregular trigons and growth steps visible

Symmetry

Poor (Natural rough asymmetrical form)

Polish

Not Applicable (Natural skin)

Fluorescence

Indeterminate without UV source

Inclusions

Internal graining, feathers, and possible dark crystals near the base

Blemishes

Natural trigons, percussion marks (naturals), and surface reaching fractures

Origin

Likely African (possibly Botswana or Zimbabwe based on growth texture)

Treatment Detection

None detected; appears to be raw, untreated earth-extracted material

Estimated Value

$15,000 - $35,000 (speculative, pending clarity and weight verification)

Certification Estimate

GIA (Rough Diamond Report) indicating natural origin

Investment Potential

High, particularly if the rough suggests a high-yield 'Fancy Pink' or 'Top White' faceted result

Similar Diamonds

Kimberley Process certified large rough octahedrons or macles

Setting Suggestions

Custom 'Rough Diamond' prong setting or sculptural bezel in 18k Rose Gold

Care & Maintenance

Ultrasonic cleaning is discouraged due to surface-reaching fractures; use warm soapy water and a soft brush

Interesting Facts

The surface displays 'trigons,' which are triangular growth marks unique to the diamond's cubic crystal system.

Identified on 5/3/2026
Natural Rough Diamond Uncut / Rough Macle | Diamond Identifier