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.

A plotting diagram
Plotting Diagram or Plot

Diagram of the approximate relative size, location, and type of internal inclusions and external blemishes of a diamond.[…]

Pinpoints Very tiny diamond crystal inclusions
Pinpoints

Pinpoints Very tiny diamond crystal inclusions Very tiny diamond crystal inclusions that are too small in size[…]

Pit Type of diamond blemish that appears as a tiny opening or indentation on the surface of a diamond.
Pit

Type of diamond blemish that appears as a tiny opening or indentation on the surface of a diamond.[…]

The pear cut, also known as the teardrop cut
Pear Cut

The pear cut, also known as the teardrop cut, is a popular and elegant diamond shape that[…]

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)[…]

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