Diamond oval shape F, VS1- 1.010ct

Diamonds are forever. What do you know about Diamonds? Quiz: No.1 – Test Your General Knowledge of Diamonds

All polished diamonds are valuable; and the value of each diamond, is based on various important factors. As such; one of the first things to learn about diamonds is that; ‘Not all diamonds are created equal’.

My quiz below, is one in a series of quizzes that, provides you with all the information which you need to know about diamonds; the diamonds trade; the industry; its professionals, and diamond mines across the world.

Do enjoy completing the quiz and share it with your friends and social networks. You could leave your score, and comments, in the section below. Thanks. Good-luck.

  • Question of

    What is one carat (weight) of diamonds, equal to in, grams – weight?

    • 1 gram
    • 0.50 grams
    • 0.20 grams
    • 0.10 grams
  • Question of

    A beautiful diamond is dazzlingly, because of; three main optical effects. Which of the following is not one of these three optical effects ?

    • Scintillation
    • Pattern
    • Brightness
    • Fire
  • Question of

    What is the colour of the best-quality, highest-grade diamonds?

    • Yellow-White
    • Multi-Coloured
    • White
    • Colourless
  • Question of

    How many miles below the earth’s surface/crust, are diamonds formed?

    • 1 mile
    • 5 miles
    • 20 miles
    • 100 miles
  • Question of

    Very subtle and negligible variations in the Colour, Cut, Clarity and Carat (4Cs) of a diamond can cause significant and massive differences in its what?

    • Marketing and Distribution
    • Appearance and Feel
    • Value and Price
    • Polishing and Production
  • Question of

    Which of the following initials or abbreviations is used in the diamond trade, by diamond professionals and buyers, to refer to the highest-grade, best-quality diamonds?

    • ‘I’
    • ‘S’
    • ‘VS’
    • ‘VVS’
  • Question of

    What gives a beautifully finished diamond, its dazzling face-up appearance; when the diamond interacts with light, in its facets and angles?

    • Carat
    • Colour
    • Cut
    • Clarity
  • Question of

    In which of the following countries are diamond mines not found?

    • Rwanda
    • Botswana
    • South Africa
    • Namibia
  • Question of

    The “flashes of colour” within a beautiful diamond, is technically called, what; by diamond professionals?

    • Scintillation
    • Pattern
    • Brightness
    • Fire
  • Question of

    The amount of colourlessness in a diamond, is measured, by the diamond industry, on a ratings scale, of what?

    • A -to- Z
    • C -to- S
    • D -to- Z
    • 1 -to- 12
  • Question of

    Which factor makes one diamond, much more valuable, than another diamond?

    • The age of the diamond
    • The jeweller selling the diamond
    • The mine producing the diamond
    • The rarity of the diamond


What do you think?

14 Points

Written by Daniel Obiago


    • Well done! Why not continue learning more about diamonds? Play my second quiz on diamonds which is out now; and my further quizzes on diamonds which are being posted. Thanks for playing!

    • Well done, Edith P! To continue your learning more about diamonds, why not play my second quiz on diamonds which is out now. Also further diamond quizzes will follow. Thanks for playing. Cheers!