Not a diamond; this is a coarse-grained rock or mineral aggregate, likely a weathered quartzite, sandstone pebble, or conglomerate, completely lacking crystalline diamond properties.

Not a diamond; this is a coarse-grained rock or mineral aggregate, likely a weathered quartzite, sandstone pebble, or conglomerate, completely lacking crystalline diamond properties. · Irregular / Water-worn pebble

Not applicable (Rough natural weathering, unpolished rock) Cut

Not a diamond; this is a coarse-grained rock or mineral aggregate, likely a weathered quartzite, sandstone pebble, or conglomerate, completely lacking crystalline diamond properties. - Irregular / Water-worn pebble

Carat

Not applicable (Mineral aggregate/rock specimen)

Color

Mottled greenish-gray to brownish-yellow

Clarity

Opaque with extensive internal mineral grains and matrix

Shape

Irregular / Water-worn pebble

Overall Assessment

The specimen displayed in the image is not a diamond or a gemstone, but rather a weathered rock fragment or mineral pebble. Gemological analysis does not apply.

Cut Quality

Not applicable (Rough natural weathering, unpolished rock)

Brilliance

None (non-reflective, opaque matrix)

Fire

None

Scintillation

None

Proportions

Not applicable

Symmetry

Asymmetrical, naturally tumbled

Polish

Matte, weathered rough surface

Fluorescence

Not applicable

Inclusions

Abundant mineral grains, quartz microcrystals, and matrix material

Blemishes

Natural pitting, surface weathering, and micro-fractures

Origin

Alluvial deposit, river rock, or weathered terrestrial outcrop

Treatment Detection

None (completely untreated natural geological specimen)

Estimated Value

Nominal value as a geological specimen or decorative stone

Certification Estimate

Not applicable for gemological grading; better suited for geological identification (e.g., standard petrographic analysis)

Investment Potential

None as a gemstone

Similar Diamonds

None (no relation to diamond)

Setting Suggestions

Not suitable for jewelry setting due to softness and opacity

Care & Maintenance

Standard cleaning with water and mild soap if used as a decorative display piece

Interesting Facts

Shows typical surface weathering and granular texture characteristic of silicate rocks rather than single-crystal gemstones

Identified on 8/24/2026
Not a diamond; this is a coarse-grained rock or mineral aggregate, likely a weathered quartzite, sandstone pebble, or conglomerate, completely lacking crystalline diamond properties. Irregular / Water-worn pebble | Diamond Identifier