Not a diamond; this image displays intensely blue-tinted glass or a synthetic blue material, lacking the optical and structural properties of a genuine diamond.

Not a diamond; this image displays intensely blue-tinted glass or a synthetic blue material, lacking the optical and structural properties of a genuine diamond. · Irregular fragment or abstract blue glass piece, not a standard faceted gemstone shape.

Not applicable; industrial or decorative glass fragment. Cut

Not a diamond; this image displays intensely blue-tinted glass or a synthetic blue material, lacking the optical and structural properties of a genuine diamond. - Irregular fragment or abstract blue glass piece, not a standard faceted gemstone shape.

Carat

Not applicable as this is not a diamond or standard gemstone.

Color

Deep Fancy Blue (though characteristic of colored glass rather than a naturally occurring fancy colored diamond).

Clarity

Not applicable to glass, but shows internal gas bubbles and flow lines typical of manufactured glass.

Shape

Irregular fragment or abstract blue glass piece, not a standard faceted gemstone shape.

Overall Assessment

The specimen shown is a piece of vibrant blue glass or synthetic material, not a diamond. It possesses no gemological value as a diamond.

Cut Quality

Not applicable; industrial or decorative glass fragment.

Brilliance

Low brilliance, characteristic of glass rather than high-refractive-index diamond or diamond simulant.

Fire

Minimal dispersion, lacking the strong rainbow flashes seen in diamonds or moissanite.

Scintillation

Poor sparkle and play of light due to non-faceted, non-optimized surfaces.

Proportions

Not applicable; lacks standard gemstone facet proportions.

Symmetry

Irregular and asymmetric.

Polish

Uneven surface polish with visible casting or fracturing lines.

Fluorescence

Indeterminate visually from standard lighting without UV testing.

Inclusions

Contains internal spherical gas bubbles and minor impurities typical of glass manufacturing.

Blemishes

Surface scratches, chips, and uneven texture.

Origin

Man-made glass.

Treatment Detection

Colored via metallic oxides or surface tinting standard in glass production.

Estimated Value

Nominal value as decorative glass or raw material.

Certification Estimate

Cannot be certified by gemological grading laboratories like GIA or AGS as a diamond.

Investment Potential

None.

Similar Diamonds

None, as this material is entirely unrelated to diamond.

Setting Suggestions

Not recommended for fine jewelry due to low hardness and fragility.

Care & Maintenance

Handle with care to avoid chipping; clean with mild soap and water.

Interesting Facts

Cobalt blue glass has historically been used to imitate valuable blue gemstones such as sapphire.

Identified on 9/5/2026