Glossary & Picture Library, learn

  • Shape
    Name for the basic outline of a polished diamond
  • Simulant
    Simulant Any material that is meant to look like or imitate a diamond, but is not a natural or synthetic diamond
  • Rough Diamond
  • Round Brilliant Cut
    Round Brilliant Cut Diamond cut or shaped into a circular outline or circumference
  • Saturation
    Intensity and purity of colour in a diamond
  • Radiant Cut
    The radiant cut is a diamond shape that combines the sparkle of a brilliant cut with the elegance of a square or rectangular shape.
  • Red Diamond
    Red Diamond A coloured diamond with a natural red body colour. Red must be the predominant colour, but it may be modified by shades of pink or purple. The colour in natural red diamonds is created by irregular crystal structure. Natural red diamonds are the most rare of all diamonds. Some red coloured diamonds with sufficient saturation fall into the valuable fancy red colour category of diamonds.
  • Proportions
    Relations between the dimensions and angles of a finished diamond.
  • Princess Cut
    Diamond cut or shaped into a square or rectangle
  • Proportion Grade
    proportions on a round brilliant cut diamond