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.

Lower-Girdle Facets

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

The Kimberley Process
Kimberley Process

The Kimberley Process (KP) is an international certification scheme established to prevent the trade in "blood diamonds,"[…]

Kimberlite

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

Recognised Standards in Diamond Grading
Internationally Recognised Standards

Internationally recognised standards in diamond grading refer to a set of rules, guidelines, and processes that are[…]

International Diamond Manufacturers Association
International Diamond Manufacturers Association

The International Diamond Manufacturers Association (IDMA) is a global trade organisation that represents the interests of diamond[…]

Industrial Grade Diamond

An Industrial Grade Diamond refers to a diamond that does not meet the standards required for use[…]

International Diamond Council
International Diamond Council

The International Diamond Council (IDC) is a global organisation that was established to create and maintain standardised[…]

Gem Quality

Only about 20% of mined diamonds are of gem quality, meaning they meet the necessary standards for[…]

DCLA is Australia’s internationally accredited diamond certification laboratory.
Who are the DCLA and what do they do?

Who are the DCLA and what do they do?

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