Not a diamond; this is a piece of glass featuring characteristic conchoidal fracture patterns.
Not a diamond; this is a piece of glass featuring characteristic conchoidal fracture patterns. · Irregular / Raw fragment
Not applicable Cut
Carat
Not applicable (glass material)
Color
Not applicable
Clarity
Not applicable
Shape
Irregular / Raw fragment
Overall Assessment
The specimen shown in the image is not a diamond or a gemstone, but rather a fragment of glass displaying distinct conchoidal fracture lines and vitreous luster.
Cut Quality
Not applicable
Brilliance
Low to moderate vitreous luster
Fire
Very low dispersion compared to diamond
Scintillation
Minimal
Proportions
Not applicable
Symmetry
Asymmetrical
Polish
Unpolished / Raw
Fluorescence
Unknown
Inclusions
Internal bubbles and flow lines typical of manufactured glass
Blemishes
Conchoidal fracture ripples and surface wear
Origin
Man-made glass
Treatment Detection
None needed; material is synthetic glass
Estimated Value
Nominal / Minimal (decorative or industrial cullet value)
Certification Estimate
Gemological laboratories would issue a report identifying this as glass, not gemological diamond grading.
Investment Potential
None
Similar Diamonds
None (glass is visually and physically distinct from diamond)
Setting Suggestions
Not recommended for fine jewelry settings due to softness.
Care & Maintenance
Handle with standard care; avoid sharp impacts to prevent chipping.
Interesting Facts
The curved, shell-like ripples visible on the surface are called conchoidal fractures, which are a hallmark of amorphous materials like glass and quartz when they break.