Non-diamond (Opaque Polished Stone)
Non-diamond (Opaque Polished Stone) · Rounded Tumbled / Cabochon
N/A (Poor if graded as a diamond) Cut

Carat
8-12 carats (estimated based on size relative to carpet fibers)
Color
Opaque Sky Blue with mottling
Clarity
Opaque (N/A for diamonds)
Shape
Rounded Tumbled / Cabochon
Overall Assessment
This object is a tumbled placeholder or decorative stone, most likely a dyed agate or glass, and does not possess the physical or optical properties of a diamond.
Cut Quality
N/A (Poor if graded as a diamond)
Brilliance
None (Opaque)
Fire
None (Opaque)
Scintillation
None
Proportions
Irregular / Asymmetrical
Symmetry
Poor (Irregular)
Polish
Good (Smooth surface)
Fluorescence
None visible
Inclusions
Dark blue internal spotting and white streak-like patterns
Blemishes
Minor surface pits typical of tumbled stone
Origin
Likely a dyed agate, blue lace agate, or synthetic glass
Treatment Detection
Probable dye treatment to achieve uniform blue saturation
Estimated Value
$1 - $5 USD (common tumbled stone value)
Certification Estimate
Unlikely to be graded by GIA/AGS as a diamond; GIA Colored Stone Report possible
Investment Potential
None (Decorative / Craft value only)
Similar Diamonds
None - this material shares no characteristic with diamond
Setting Suggestions
Wire wrapping or caged pendant
Care & Maintenance
Avoid harsh chemicals which may strip dyes; clean with warm soapy water
Interesting Facts
This stone lacks the crystalline structure and refractive index found in carbon-based gemstones.