Glossary & Picture Library, learn

  • Cognac
    Cognac coloured diamond that is dark brown
  • Cold Laser Inscription
  • Cleavage
    Cleavage in Diamonds
  • Closed Table
    A diamond with a relatively small table
  • Cloud
  • CIBJO
  • Clarity
    SI1: Inclusions are noticeable under 10x magnification, but not always visible to the naked eye.
  • Clarity Enhancement
    Clarity enhancement in diamond
  • Champagne Diamond
  • Chip