Natural (Likely a 'Salt and Pepper' or Industrial-grade specimen)
Natural (Likely a 'Salt and Pepper' or Industrial-grade specimen) · Rough/Partially Polished Roundish Macle-style Crystal
Poor (Irregular and asymmetrical facets) Cut
Carat
Estimated 1.5 to 2.5 carats based on finger scale
Color
Fancy Dark Opaque (Greyish-Green to Brownish-Black)
Clarity
I3 (Included Level 3 - Heavily Occluded)
Shape
Rough/Partially Polished Roundish Macle-style Crystal
Overall Assessment
This is a low-clarity natural diamond crystal that has been roughly faceted. While it lacks brilliance, it is valued in the 'rustic' or 'salt and pepper' jewelry market for its unique, organic appearance.
Cut Quality
Poor (Irregular and asymmetrical facets)
Brilliance
Very Low (Opaque material lacks standard light return)
Fire
None (Material is too included to disperse light)
Scintillation
Dull (Occasional surface luster only)
Proportions
N/A - Irregular non-standard proportions
Symmetry
Poor (Non-geometric facet placement)
Polish
Fair (Visible surface pitting and matte areas)
Fluorescence
None observable under current lighting
Inclusions
Dense internal clouding, graphite/carbon inclusions, and graining throughout
Blemishes
Visible abrasions, nicks, and surface-reaching fractures
Origin
Likely African (e.g., Congo or Botswana) based on color and inclusion texture
Treatment Detection
None detected; appears to be raw/crude natural state
Estimated Value
$50 - $150 USD (Specimen or craft value)
Certification Estimate
Likely GIA or IGI as 'Natural Diamond' without standard 4C grades
Investment Potential
Low (Primarily for aesthetic/jewelry use rather than asset appreciation)
Similar Diamonds
Industrial borts or low-grade 'Galaxy' diamonds
Setting Suggestions
Bezel setting recommended to protect edges; rustic rose gold or silver
Care & Maintenance
Avoid ultrasonic cleaners as internal fractures may expand; clean with soft brush only
Interesting Facts
The greenish tint is often caused by exposure to natural radiation over millions of years.