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.
The Transformation of Diamond Cut Quality Grading
From the Tolkowsky Ideal to Modern Cut Grades, Why Proportions Still Matter For more than a century,[…]
Proportions
In the context of diamond grading, proportions refer to the relationship between the dimensions and angles of[…]
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