Not a diamond; appears to be raw green glass or slag, possibly historical bottle glass.

Not a diamond; appears to be raw green glass or slag, possibly historical bottle glass. · Irregular raw fragment / unstructured sherd

Poor / Uncut raw fragment Cut

Not a diamond; appears to be raw green glass or slag, possibly historical bottle glass. - Irregular raw fragment / unstructured sherd

Carat

Not applicable (Mineral/Glass specimen, weight undetermined from image)

Color

Deep forest green

Clarity

Included with internal bubbles and flow lines typical of glass

Shape

Irregular raw fragment / unstructured sherd

Overall Assessment

The specimen shown is a green glass fragment rather than a diamond or gemstone. It exhibits typical characteristics of glass such as conchoidal fracture and internal gas bubbles.

Cut Quality

Poor / Uncut raw fragment

Brilliance

Low due to material composition and lack of proper faceting

Fire

Minimal to none

Scintillation

Poor

Proportions

Not applicable

Symmetry

Asymmetrical

Polish

Natural weathered/broken surface with minimal polish

Fluorescence

Inert to faint

Inclusions

Gas bubbles and particulate matter characteristic of manufactured glass

Blemishes

Surface abrasions, chips, and weathering crust

Origin

Likely manufactured glass, potentially an old artifact or industrial byproduct

Treatment Detection

None applicable to glass

Estimated Value

Nominal value as a decorative or historical glass specimen

Certification Estimate

Gemological laboratories like GIA or AGS would not issue a grading report as this is not a diamond or precious gemstone.

Investment Potential

None as a gemstone investment

Similar Diamonds

None (glass material with no diamond equivalence)

Setting Suggestions

Wire-wrapping or bespoke artisan bezel setting if used as a decorative element

Care & Maintenance

Handle with care to avoid chipping; clean with mild soapy water and a soft cloth

Interesting Facts

Green glass is frequently mistaken for rough emerald, peridot, or green diamond by untrained observers due to its rich color.

Identified on 8/26/2026
Not a diamond; appears to be raw green glass or slag, possibly historical bottle glass. Irregular raw fragment / unstructured sherd | Diamond Identifier