Non-diamond (Rock/Fossil)
Non-diamond (Rock/Fossil) · Irregular/Rough
Uncut/Natural state Cut

Carat
Estimated at 10-15 carats equivalent based on size relative to carpet fibers
Color
Opaque Gray/Black
Clarity
Opaque (N/A)
Shape
Irregular/Rough
Overall Assessment
This is not a diamond or a gemstone. It is a biological or geological artifact, likely a fossilized shell or a weathered sedimentary rock, identified by its opaque texture and ridged surface.
Cut Quality
Uncut/Natural state
Brilliance
None
Fire
None
Scintillation
None
Proportions
N/A
Symmetry
Poor/Natural
Polish
None (Rough surface)
Fluorescence
None
Inclusions
N/A (Opaque material)
Blemishes
Significant surface weathering and sedimentary texture
Origin
Terrestrial sedimentary source; possibly a fossilized brachiopod or bivalve segment
Treatment Detection
None detected; appears to be a natural mineral/fossil specimen
Estimated Value
Nominal/Decorative (under $10)
Certification Estimate
Not eligible for diamond certification; suggest geological or paleontological inspection
Investment Potential
Low as a gemstone; potentially interesting for a fossil collector if verified
Similar Diamonds
None; this is a mineral specimen or fossil, not a gemstone
Setting Suggestions
Not suitable for traditional diamond jewelry settings; possibly a wire wrap for specimen display
Care & Maintenance
Keep dry and handle gently to avoid crumbling or erosion of the sedimentary surface
Interesting Facts
The object displays radial ribbing characteristic of prehistoric marine brachiopods from the Paleozoic or Mesozoic eras