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.

Diamond Dealers Club of South Africa

The Diamond Dealers Club of South Africa (DDC South Africa) is a prominent organization for diamond professionals[…]

Israel bourse
Diamond Bourse

A Diamond Bourse (also known as a Diamond Exchange) is a marketplace where diamonds are traded, bought,[…]

A diamond is a precious gemstone composed of carbon atoms arranged in a crystal lattice structure
Diamond

A diamond is a precious gemstone composed of carbon atoms arranged in a crystal lattice structure, which[…]

Ideal Depth
Depth Percentage

The diamond depth percentage is a key measurement used to evaluate the proportions of a diamond.

Depth

Diamond depth refers to the measurement of a diamond’s height, from the culet (bottom tip) to the[…]

Cutting for weight can be a trade-off between achieving a desired carat weight and ensuring the diamond has optimal proportions to maximise its brilliance.
Cut-for-Weight

Diamond Cut for Weight refers to the practice of adjusting a diamond's proportions to maximise its weight,[…]

Key Elements of Diamond Cut Grade
Cut Grade

Diamond Cut Grade is a key factor in determining a diamond's overall beauty and value.

Diamond Cut or Proportion refers to the quality of a diamond’s shape and symmetry, which directly influences its brilliance, fire, and overall aesthetic appeal
Cut

Diamond Cut or Proportion refers to the quality of a diamond’s shape and symmetry, which directly influences[…]

Cushion Cut

The cushion cut diamond is a popular diamond shape known for its rounded edges and square or[…]

Culet

The diamond culet is the flat surface at the very bottom of the diamond, specifically at the[…]

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