Reading a grading report · lesson 3

The grades: color, clarity, cut

Lesson quiz · five questions, in a new order every time

Five questions on lesson 3 of Reading a grading report. The questions and the answers to pick from come in a new order every time you start.

Pick an answer, and the question marks itself. For a question that you answer in your own words, think of your answer first. Then show our answer and say whether you had it. Nothing is saved or sent.

  1. Question 1: What does "H\*" mean on a GIA report?

    Show the answer

    b: The asterisk flags a color treatment; Comments says which.

  2. Question 2: Which of these can have a GIA cut grade?

    Show the answer

    a: Standard round brilliants in the D-to-Z range only.

  3. Question 3: A cushion's report shows "Cut: Excellent". Which lab could have issued it?

    Show our answer

    IGI, which grades fancy-shape cut as an option; GIA doesn't.

  4. Question 4: What can a visible fish-eye do to an IGI round's cut grade?

    Show our answer

    Cap it at Fair.

  5. Question 5: Why is a missing cut grade on a pear-shaped diamond's GIA report not a problem?

    Show our answer

    GIA doesn't grade the cut of fancy shapes at all, so no pear has one.

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