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.

Carat

One carat is equal to 200 milligrams (0.2 grams).

Carbon
Carbon

Diamonds are made of pure carbon, but their unique atomic structure is what gives them their remarkable

Small black graphite inclusions in a diamond.
Carbon Spots

Small black graphite inclusions in a diamond are a type of natural impurity that occurs during the[…]

vividly bright-yellow fancy colour diamond
Canary Diamond

A Canary Diamond is a highly sought-after type of fancy yellow diamond known for its rich, intense[…]

Cape Series Diamonds

Cape Series Diamonds refer to a category of diamonds that exhibit a noticeable yellow or brown tint[…]

Calfs Head Diamond

The Calf’s Head Diamond is a historic and notable diamond that is part of British royal history.

A bruted diamond girdle refers to the technique used in the finishing process of a diamond, specifically around the diamond's outer edge, known as the girdle.
Bruted Girdle

A bruted diamond girdle refers to the technique used in the finishing process of a diamond, specifically[…]

Briolette Diamond

A briolette diamond is a unique and beautiful cut that features a tear-drop or pear shape with[…]

Briefca

Diamond briefca (sometimes spelled briefcase or brief), which is a small, folded, envelope-like paper used to safely[…]

Brilliance

Diamond brilliance refers to the amount of white light that is reflected from a diamond.

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