Five questions on lesson 5 of The four Cs. 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.
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Question 1: What's the difference between Flawless and Internally Flawless?
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b: FL: nothing at 10x; IF: nothing inside, only surface blemishes.
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Question 2: How many clarity grades are there, and in how many categories?
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a: FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2, I1, I2, I3.
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Question 3: Two diamonds each have two inclusions, but one is VVS2 and the other is VS1. What can explain that?
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b: The grade looks at size, number, position, visibility and darkness together.
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Question 4: In the simulator, why does a crystal show as a dark spot, but a feather can flash bright?
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a: In the simulator a crystal or pinpoint ends a light path, and a feather reflects part of it.
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Question 5: Give two reasons why a lab plots the clarity characteristics on a diagram.
Show our answer
It records the evidence for the grade, and it identifies that particular stone, like a fingerprint.
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- All The four Cs lesson quizzes
- The four Cs: all the lessons