History of Diamond Grading in Australia

Blogs & News

Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

Pinpoints Very tiny diamond crystal inclusions
Pinpoints

Pinpoints Very tiny diamond crystal inclusions Very tiny diamond crystal inclusions that are too small in size[…]

Pit Type of diamond blemish that appears as a tiny opening or indentation on the surface of a diamond.
Pit

Type of diamond blemish that appears as a tiny opening or indentation on the surface of a diamond.[…]

Pink Diamond

A pink diamond is a rare and highly sought-after coloured diamond that exhibits a natural pink body

Rough diamond Octahedron
Octahedron

An octahedron is one of the most sought-after crystal shapes for rough diamonds, featuring eight triangular faces[…]

A natural diamond is a gemstone composed of crystallized carbon
Natural Diamond

A natural diamond is a gemstone composed of crystallized carbon that was formed deep within the Earth's[…]

The Mohs Scale of Hardness is a qualitative scale that ranks minerals based on their ability to resist scratching
Mohs Scale

The Mohs Scale of Hardness is a qualitative scale that ranks minerals based on their ability to[…]

Lower-Girdle Facets

The lower-girdle facets are crucial elements in the overall symmetry and brilliance of a diamond.

Knot

A knot is a specific type of inclusion found within diamonds. It refers to an included crystal[…]

Laser Drilling

Laser drilling is a treatment used to enhance the apparent clarity of a diamond by reducing the[…]

Kimberlite

Kimberlite is an igneous rock, typically blue or green in colour, from which most diamonds are mined.[…]

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