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Home └Diamond Fundamentals: The 4 Cs (Demo)
Diamond Fundamentals: The 4 Cs (Demo)

Diamond Fundamentals: The 4 Cs (Demo)

Cut, colour, clarity and carat – the vocabulary every conversation about a stone is built on.

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Responsible Alexandra Stipinovic
Last Update 10/06/2026
Completion Time 1 hour 47 minutes
Members 22
Basic Diamonds
  • The four Cs
    5Lessons · 53 min
    • Carat – weight, not size
      Preview New
    • Colour – the D-to-Z scale
      New
    • Clarity – inclusions and blemishes
      New
    • Cut – why it matters most
      New
    • Course map
      New
  • Shapes and proportions
    2Lessons · 30 min
    • Round, emerald, pear and other shapes
      New
    • Proportions, symmetry and polish
      New
  • In practice
    3Lessons · 24 min
    • Reading a stone under the loupe
      New
    • Explaining the 4 Cs to a customer
      New
    • Final quiz
      New 10 xp

Cut, colour, clarity and carat – the vocabulary every conversation about a stone is built on.

Demo course of the STIG Academy. The lesson texts are placeholders.