History of Diamond Grading in Australia

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

Can I bring my diamond jewellery to the laboratory for certification?

Can I bring my diamond jewellery to the laboratory for certification?

DCLA certificate
Will my diamond certificate or diamond grading report have a value on it?

A certificate is NOT a valuation and therefore does not indicate a dollar value. A diamond grading[…]

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?

Why would I want my diamond certified by the DCLA?

The DCLA is the only internationally affiliated and locally accredited diamond grading laboratory in Australia.

GIA dossiers
My retailer/merchant produces his own diamond report, is that sufficient?

My retailer/merchant produces his own diamond report, is that sufficient?

Round brilliant
Why do only round brilliant cut diamonds get a proportion grade ?

Why do only round brilliant cut diamonds get a proportion grade ?

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