Non-diamond (Opaque Polished Stone)
Non-diamond (Opaque Polished Stone) · Irregular / Semi-Polished Tumble
None / Commercial Polish Cut

Carat
Approximately 2.0 to 4.0 carats (estimated based on size relative to carpet fibers)
Color
Opaque Terracotta Red / Brick Red
Clarity
Opaque (not applicable for diamond grading)
Shape
Irregular / Semi-Polished Tumble
Overall Assessment
The item in the image is not a diamond. It is an opaque, reddish-brown tumbled stone, most likely Red Jasper. It lacks the refractive index, transparency, and crystalline structure of a diamond.
Cut Quality
None / Commercial Polish
Brilliance
None (Opaque material)
Fire
None (Opaque material)
Scintillation
None / Dull luster
Proportions
Indeterminate / Non-standard
Symmetry
Poor (Irregular shape)
Polish
Good (Smooth surface texture)
Fluorescence
None / Inert
Inclusions
Natural banding/veining visible as lighter streaks
Blemishes
Minor surface pits and directional polishing marks typical of tumbled stones
Origin
Likely a natural terrestrial gemstone like Jasper
Treatment Detection
Likely untreated natural stone, potentially tumble-polished
Estimated Value
$1.00 - $5.00 USD (As a decorative stone)
Certification Estimate
N/A - Not a diamond; potentially Red Jasper or Carnelian
Investment Potential
Low (Nominal value as a common mineral specimen)
Similar Diamonds
None (This item is not a diamond or a diamond simulant)
Setting Suggestions
Wire-wrapping or low-cost bezel setting for decorative use
Care & Maintenance
Safe to clean with warm soapy water; avoid harsh chemicals if stone is porous
Interesting Facts
The object appears to be a variety of Chalcedony, likely Red Jasper, which is known for its earthy red hue caused by iron inclusions.