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.

Phosphorescence in Diamonds
Phosphorescence

Phosphorescence is a rare but fascinating phenomenon observed in some diamonds, where the diamond continues to glow[…]

Pink Diamond

A pink diamond is a rare and highly sought-after coloured diamond that exhibits a natural pink body

Pavilion Depth Percentage
Pavilion Depth Percentage

The pavilion depth percentage is a crucial measurement in understanding how well a diamond performs in terms[…]

Pavilion Main Facets

The pavilion main facets are a crucial component of a diamond’s pavilion, contributing significantly to its overall[…]

Pavilion Angle

The pavilion angle is a key proportion in diamond cutting, referring to the angle between the girdle[…]

Pavilion Depth

The pavilion depth refers to the vertical distance from the girdle (the widest part of the diamond)[…]

Pavilion

The pavilion is the lower portion of a diamond, extending from the girdle (the widest part) of[…]

Old Mine Cut

The Old Mine Cut is a historical diamond cut, first popularized in the 18th and 19th centuries.

Oval shaped diamond
Oval Cut

The oval cut is an elongated shape that can range from a perfect oval to a more[…]

chip
Nick

A nick is a small surface blemish found on a diamond, typically appearing as a tiny break[…]

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