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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.

An uneven color distribution is observed under visible light
August 13, 2026
GIA Examines a Remarkable Colour-Treated Purple Diamond

The Gemological Institute of America (GIA) has examined a fascinating 3.93-carat Type Ib purple diamond that had[…]

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