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

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

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.

Identified on 8/24/2026
Not a diamond; this specimen appears to be coloured glass or a heavily included rough mineral material with conchoidal fracturing. Irregular rough, untutored fragment | Diamond Identifier