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Diamonds

Black Diamond

February, 2025July, 2017 by Admin DCLA

A black diamond is a type of diamond that is opaque or dark in colour, typically appearing black or very deep gray due to its unique internal structure.

Categories Glossary Tags Diamonds, Rough Diamond, Rough Diamonds

Bearding

February, 2025July, 2017 by Admin DCLA

Bearding in a diamond refers to the small, hairline fractures or feather-like inclusions that appear along the edges of a diamond.

Categories Glossary Tags Diamonds, Rough Diamond, Rough Diamonds

Baguette Cut

February, 2025July, 2017 by Admin DCLA

The Baguette Cut is a distinct rectangular diamond shape, typically with step-cut faceting, although it can also be found in square form.

Categories Glossary Tags Diamonds, Rough Diamond, Rough Diamonds

Appraisal

February, 2025July, 2017 by Admin DCLA
Written estimate of the approximate retail replacement value of a diamond or piece of diamond jewellery

Diamond or Jewellery Appraisal or Valuation is a professional evaluation of a diamond or piece of jewellery to determine its market value, quality, and authenticity.

Categories Glossary Tags appraisal, diamond value, Diamonds, value

Asscher Cut

February, 2025July, 2017 by Admin DCLA

The Asscher Cut is a distinctive and elegant diamond shape, known for its square shape and step-cut faceting.

Categories Glossary Tags Diamonds, Rough Diamond, Rough Diamonds

Annealing

February, 2025July, 2017 by Admin DCLA
artificially enhance the colour of a diamond

Annealing diamond refers to a process in which diamonds are heated to high temperatures in a controlled environment to alter their internal structure or appearance.

Categories Glossary Tags Diamonds, Pink Diamond, Rough Diamond, Rough Diamonds, Treatment artificially

Adamas

February, 2025July, 2017 by Admin DCLA
Archaic Greek word from which the word ‘diamond’ is derived

Archaic Greek word from which the word ‘diamond’ is derived. Adamas means ‘indestructible’.

Categories Glossary Tags Adamas, Diamond Mining, Diamonds, Rough Diamond, Rough Diamonds

Abrasion

February, 2025July, 2017 by Admin DCLA
Abrasions can affect the polish grade of a diamond

Abrasion on a diamond refers to the process where the surface or facets of a diamond become worn, scratched, or damaged, typically from contact with other hard surfaces or rough handling.

Categories Glossary Tags Diamonds, Rough Diamond, Rough Diamonds

Abraded Facet Edge

February, 2025July, 2017 by Admin DCLA
An abraded facet edge in a diamond refers to the condition where the sharp edges of a diamond's facets have become worn, chipped, or dulled.

An abraded facet edge in a diamond refers to the condition where the sharp edges of a diamond’s facets have become worn, chipped, or dulled.

Categories Glossary Tags Diamonds, Rough Diamond, Rough Diamonds

Abraded Culet

February, 2025July, 2017 by Admin DCLA

An abraded culet refers to a diamond culet (the small facet at the bottom of the diamond) that has been damaged or worn down, usually due to the cutting process or handling.

Categories Glossary Tags Diamonds, Rough Diamond, Rough Diamonds
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