Not a diamond; this is a piece of colored glass containing characteristic round gas bubbles.
Not a diamond; this is a piece of colored glass containing characteristic round gas bubbles. · Irregular raw fragment / shard
Not applicable (Rough fracture / broken piece) Cut

Carat
Not applicable (glass shard, approximately 1.5 - 2 grams)
Color
Deep amber / yellowish-brown
Clarity
Not applicable (Contains visible gas bubbles and flow lines)
Shape
Irregular raw fragment / shard
Overall Assessment
The specimen shown in the image is not a diamond or precious gemstone, but rather a fragment of amber-colored glass exhibiting conchoidal fracture and characteristic interior gas bubbles.
Cut Quality
Not applicable (Rough fracture / broken piece)
Brilliance
Low to moderate vitreous luster
Fire
Very low dispersion compared to diamond
Scintillation
Poor, lacks standard facets to reflect light systematically
Proportions
Not applicable
Symmetry
Asymmetrical, natural or accidental fracture pattern
Polish
Unpolished, raw fractured surface
Fluorescence
Not evaluated
Inclusions
Prominent round gas bubbles visible within the material
Blemishes
Conchoidal fracture lines, chips, and rough edges
Origin
Man-made industrial or bottle glass
Treatment Detection
Standard colored glass matrix
Estimated Value
Nominal / Low (Decorative or scrap glass value only)
Certification Estimate
Cannot be certified as a gemstone by standard labs (GIA, IGI)
Investment Potential
None
Similar Diamonds
None (Glass material)
Setting Suggestions
Not recommended for fine jewelry settings due to low hardness and fragility
Care & Maintenance
Handle with care to avoid cuts from sharp edges; clean with mild soap and water
Interesting Facts
The presence of spherical gas bubbles is a definitive diagnostic feature distinguishing glass from natural crystalline gemstones and most synthetic gems.