All Diamonds

Indeterminate / Likely Non-Diamond Mineral (e.g., Quartz, Calcite, or common rock) (Rough / Uncut / Amorphous)

Non-Gemstone/Rock (Irregular/Rough)

Indeterminate - Likely Common Rock or Mineral (Uncut / Rough / Irregular)

Non-Gemstone Material (Rough / Uncut (Irregular Fragment))

Indeterminate - Material appears to be a common rock or raw mineral specimen rather than a gemstone quality diamond. (Ro...

Unknown Mineral / Non-Diamond (Rough / Uncut (Amorphous))

Unknown / Non-Diamond Lithic Material (Rough / Irregular Fragment)

Non-diamond/Common Rock (Rough/Uncut Organic-Subangular)

Non-gemstone (Construction Fragment) (Irregular/Rough)

Non-Diamond / Lithic Material (Rough / Irregular / Ovoid)

Natural (Likely a rough specimen or non-diamond mineral) (Rough / Uncut (Sub-rectangular Macle or irregular blocky cryst...

Non-Diamond / Mineral Fragment (Rough / Irregular Uncut)

Non-diamond (Likely Granite or Gravel) (Rough/Irregular)

Non-Diamond (Common Sea Glass or Glass Fragment) (Irregular/Rough Shard)

Non-Diamond / Opaque Mineral (Rough / Irregular pebble)

Non-diamond / Organic Material (Gummy Candy) (Rectangular Tablet / Lozenge)

Non-diamond / Debris (Irregular / Rough)

Non-diamond (Likely Fluorite or Aventurine Quartz) (Rough / Uncut / Natural Tumbled)

Non-diamond (Opaque Polished Stone) (Irregular / Semi-Polished Tumble)

Non-Diamond (Common Stone/Quartz) (Rough/Uncut (Sub-rounded))

Non-diamond (likely Amethyst or Quartz) (Rough / Uncut)

Non-Diamond / Common Pebble (Irregular / Uncut)

Determined to be Non-Diamond (likely an industrial piece, rough mineral, or non-gemstone pebble based on visual characte...

Non-Diamond / Common Rock (Rough / Irregular)

Likely Non-Diamond Mineral / Bituminous Material (Rough / Irregular)

Non-diamond species (likely Sodalite or Lapis Lazuli) (Tumbled/Freeform)

Non-Diamond (Sodalite or Lapis Lazuli simulated specimen) (Rough / Tumbled)

Non-diamond / Industrial material (Rough / Irregular / Metallic lump)

Non-diamond/Mineral fragment (Irregular/Rough)

Non-diamond mineral (Lapis Lazuli) (Rough/Tumbled finish)

Non-Diamond (Likely Carnelian or Red Agate) (Rough / Tumbled Freeform)

The specimen in the image is not a diamond; it appears to be a tumbled semi-precious gemstone, likely Aventurine, Jade, ...

Non-diamond (Opaque Polished Stone) (Irregular Freeform Tumbled)

Non-diamond/Quartz-based Mineral (Uncut / Rough)

The object in the image is not a diamond; it appears to be a common igneous or metamorphic rock fragment or a piece of g...

Non-diamond mineral (Sodalite or Dumortierite) (Rough/Tumbled)

Non-Diamond (Common Rock/Mineral) (Rough / Uncut (Natural fragment))

Non-diamond / Industrial Synthetic Abrasive (Cube / Rough)

Non-Diamond / Common Rock or Tumbled Stone (likely Sodalite or Jasper variant) (Irregular Tumbled Pebble)

Non-Diamond (Common Opaque Stone) (Tumbled/Baroque (Irregular Oval))

Non-Diamond / Simulated / Likely Jelly Bean (Oval Cabochon / Bean-shaped)

Non-diamond (Opaque Mineral - likely Amazonite or Green Aventurine) (Rough/Tumbled Point)