Glossary & Picture Library, learn

  • Kimberlite
  • International Diamond Manufacturers Association
    International Diamond Manufacturers Association
  • Internationally Recognised Standards
    Recognised Standards in Diamond Grading
  • Irradiated Diamonds
    Irradiated Diamonds
  • International Diamond Council
    International Diamond Council
  • Independent Laboratory
    An Independent Laboratory refers to a diamond grading or certification laboratory
  • Industrial Grade Diamond
  • Ideal Cut
    The term Ideal Cut refers to a diamond that is cut with proportions and angles that maximise its brilliance and fire
  • Indented Natural
  • Hue
    Hue is an important factor in the colour grading of diamonds