Synthetic glass / slag (not a natural diamond)

Synthetic glass / slag (not a natural diamond) · Rough uncut / raw fragment

Not applicable (uncut raw form) Cut

Synthetic glass / slag (not a natural diamond) - Rough uncut / raw fragment

Carat

Estimated around 3.5 to 5.0 carats based on visual volume

Color

Vivid green (fancy vivid green imitation)

Clarity

Included (contains visible internal bubbles and flow lines)

Shape

Rough uncut / raw fragment

Overall Assessment

The specimen shown is a green glass fragment rather than a genuine diamond, evidenced by internal gas bubbles and conchoidal fracture patterns typical of vitreous materials.

Cut Quality

Not applicable (uncut raw form)

Brilliance

Low to moderate due to vitreous nature

Fire

Very low (characteristic of glass rather than diamond)

Scintillation

Poor due to lack of standard facet alignment

Proportions

Irregular raw crystal structure

Symmetry

Asymmetrical raw fragment

Polish

Raw / unpolished

Fluorescence

Indeterminate without UV testing

Inclusions

Internal gas bubbles and swirled vitreous flow lines

Blemishes

Conchoidal fracture marks and surface roughness

Origin

Man-made glass or industrial slag

Treatment Detection

Colored glass imitation with typical melt-formed internal bubble inclusions

Estimated Value

Minimal monetary value as it is decorative glass

Certification Estimate

Not certifiable as diamond by major labs like GIA or AGS

Investment Potential

None

Similar Diamonds

None, as this material is glass rather than diamond

Setting Suggestions

Not recommended for fine jewelry settings due to softness

Care & Maintenance

Store separately to avoid scratching softer materials, clean with mild soapy water

Interesting Facts

Green glass is frequently mistaken for rough green diamonds or emeralds by novices

Identified on 8/26/2026