Not a diamond; this specimen appears to be coloured glass or a heavily included rough mineral material with conchoidal fracturing.
Not a diamond; this specimen appears to be coloured glass or a heavily included rough mineral material with conchoidal fracturing. · Irregular rough, untutored fragment
Not applicable Cut

Carat
Not applicable due to material type
Color
Fancy Deep Red
Clarity
Included / Heavily surface-abraded
Shape
Irregular rough, untutored fragment
Overall Assessment
The specimen shown in the image is definitively not a diamond. Its characteristics, including heavy surface scratching, conchoidal breaks, and vitreous red coloration, strongly indicate red glass or an alternate simulant material.
Cut Quality
Not applicable
Brilliance
Low to moderate vitreous luster
Fire
Absent; typical of glass or non-diamond simulants
Scintillation
Minimal due to lack of standard facet patterns
Proportions
Not applicable
Symmetry
Asymmetrical rough
Polish
Unpolished, rough conchoidal fracture surfaces showing heavy scratching
Fluorescence
Indeterminate from visual inspection alone
Inclusions
Abundant internal stress fractures, bubbles characteristic of glass, and structural inclusions
Blemishes
Extensive surface scratching, chipping, and wear along the edges
Origin
Synthetic glass or simulated gemstone material
Treatment Detection
Surface staining or potential coating visible along fractured margins
Estimated Value
Minimal ornamental or industrial value
Certification Estimate
Not eligible for gemological certification by major labs like GIA or AGS as a diamond
Investment Potential
None
Similar Diamonds
None, as this material is not a diamond
Setting Suggestions
Not recommended for fine jewelry settings due to softness and material composition
Care & Maintenance
Handle with care to prevent further chipping; avoid harsh chemicals and ultrasonic cleaners if mounted
Interesting Facts
The conchoidal fracture patterns and surface scratches strongly mimic broken red glass rather than crystalline gemstone rough.