Industrial/Salt and Pepper Natural Diamond
Industrial/Salt and Pepper Natural Diamond · Rough/Partially Polished Geometric
Fair to Poor (Substantial asymmetry) Cut
Carat
1.0 - 2.0 carats (estimated)
Color
Fancy Dark Opaque Green/Grey
Clarity
I3 (Opaque/Included)
Shape
Rough/Partially Polished Geometric
Overall Assessment
A natural diamond with a high degree of character and rustic appeal. While it lacks the brilliance of a gem-quality white stone, it is popular in contemporary artisan jewelry for its unique, earthy aesthetic.
Cut Quality
Fair to Poor (Substantial asymmetry)
Brilliance
Low (Opaque material restricts light return)
Fire
None visible
Scintillation
Low (Minimal light play due to heavy inclusions)
Proportions
Asymmetrical; high crown, shallow pavilion with visible natural skin
Symmetry
Poor
Polish
Fair
Fluorescence
Likely None
Inclusions
Extensive internal twinning, dark mineral inclusions, and cloudy patches
Blemishes
Chipped facets, surface abrasions, and original skin remnants
Origin
Likely African (possibly Botswana or Zimbabwe)
Treatment Detection
None apparent; appearance consistent with natural untreated industrial-grade diamond
Estimated Value
$100 - $300 USD
Certification Estimate
GIA (as a Fancy Opaque Diamond); Estimated Grade: Opaque
Investment Potential
Low (Market value is decorative rather than appreciation-based)
Similar Diamonds
Salt and Pepper diamonds, Rustic Rose Cuts
Setting Suggestions
Rustic bezel setting in 18k yellow gold or oxidized silver
Care & Maintenance
Clean with warm soapy water only; avoid ultrasonic cleaners due to high inclusion density
Interesting Facts
Diamonds of this type contain high concentrations of nitrogen or hydrogen and were historically used for industrial drills instead of jewelry.