Rough / Raw Natural Diamond

Rough / Raw Natural Diamond · Irregular / Macle

N/A (Uncut rough) Cut

Rough / Raw Natural Diamond - Irregular / Macle

Carat

Estimated 2.50 to 4.00 carats

Color

F-G (Colorless range)

Clarity

SI1 - SI2 (Based on visible internal feathers and graining)

Shape

Irregular / Macle

Overall Assessment

Crucial high-quality rough stone with excellent potential for a colorless polished result. The clarity appears well-situated for a high-yield cut.

Cut Quality

N/A (Uncut rough)

Brilliance

Low (Due to rough exterior and lack of polished facets)

Fire

Low (Dispersion is constrained by the rough surface)

Scintillation

Minimal (Natural surface reflection)

Proportions

Natural trigons and growth steps visible on the surface

Symmetry

Poor (Natural rough state)

Polish

N/A (Natural crystal faces)

Fluorescence

Indeterminable without UV light

Inclusions

Internal feathers, crystal inclusions, and grain lines

Blemishes

Natural surface etch pits and trigons

Origin

Likely African (e.g., Botswana or DRC) or Canadian

Treatment Detection

None visible; appears to be natural untreated rough

Estimated Value

$3,000 - $6,000 (Dependent on yield and final polished color/clarity)

Certification Estimate

GIA Rough Diamond Evaluation Service

Investment Potential

Moderate; value is primarily in the potential for polished yield

Similar Diamonds

Rough specimen collections or investment-grade unpolished stones

Setting Suggestions

Custom claw setting or bezel to preserve the rough aesthetic, or cut into a pear or oval

Care & Maintenance

Clean with ultrasonic or soft brush; avoid hard impact despite diamond's hardness

Interesting Facts

The specimen shows classic conchoidal-like fracture patterns and surface trigons characteristic of high-quality rough

Identified on 5/2/2026