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.

SI1: Inclusions are noticeable under 10x magnification, but not always visible to the naked eye.
Clarity

Diamond clarity refers to the presence and visibility of inclusions (internal flaws) and blemishes (external flaws) within[…]

Clarity enhancement in diamond
Clarity Enhancement

Clarity enhancement in diamonds refers to the process of improving the appearance of a diamond by reducing[…]

Chameleon-Type Diamond
Chameleon-Type Diamond

Chameleon diamonds typically shift from an olive green or grayish-green hue to a yellow or orangey-yellow shade[…]

Champagne Diamond

A champagne diamond is a type of fancy-coloured diamond that exhibits a warm brown hue with subtle[…]

Chip

A chipped diamond refers to a diamond that has sustained a small break or loss of material[…]

Certificate

A diamond certificate, also known as a diamond grading report, is an official document issued by a[…]

Cavity
Cavity

Type of diamond inclusion that appears as an opening or large indentation on the surface of a diamond

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[…]

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