Refer back to topics 2 & 12 to help you if necessary
Understanding Natural Diamonds Lesson 3 Quiz
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Question 1 of 6
1. Question
Questions are all based on the GIA grading system as explained in Lesson 3
If a diamond is not showing any inclusions or blemishes what grade would it be?
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Question 2 of 6
2. Question
If a diamond is showing obvious inclusions which can be seen with the naked eye, what GIA grade would it be?
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Question 3 of 6
3. Question
What is the highest GIA colour grade for a colourless diamond?
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Question 4 of 6
4. Question
At what GIA colour grade do diamonds show colour to the naked eye?
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Question 5 of 6
5. Question
Q5: What causes colour in natural diamonds?
Tick all the correct answers below and score one point for each correct answer
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Question 6 of 6
6. Question
Q6: What equipment is needed to colour grade?
Tick all the correct answers. Gain one point for each correct answer.
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