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.

Eye-Clean Diamond: Understanding Clarity
Eye-Clean

An eye-clean diamond refers to a diamond that has no visible inclusions or blemishes when viewed with[…]

Extra Facet

An extra facet in a diamond is an additional facet that is not part of the standard[…]

The Diamond Equivalent Colour Grade (ECG) is a system used to compare the colour grades of diamonds assessed by different grading laboratories.
Equivalent Colour Grade (ECG)

The Diamond Equivalent Colour Grade (ECG) is a system used to compare the colour grades of diamonds[…]

Emerald Cut

The Emerald Cut Diamond is a step-cut diamond known for its elegant, elongated shape and hall-of-mirrors effect.

Eight Cut

Diamond Eight-Cut Faceting (Single Cut Diamond)

chipped diamond
Durability

Diamond durability refers to a diamond’s ability to withstand wear, scratching, chipping, and breaking over time.

Dispersion

Diamond color dispersion refers to the way light is split into its component colors (a phenomenon called[…]

Diamond's Crystal Structure
Directional Hardness

Diamond directional hardness refers to the varying hardness levels that diamonds exhibit along different crystallographic directions.

Diamond Gauge

A diamond gauge is a precise measuring instrument used to assess the dimensions and other critical features[…]

Diamond Powder Manufacturer
Diamond Dust

Diamond powder is a finely ground form of diamond that is used in a variety of industrial,[…]

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