Diamond Grading Knowledge

Diamond Grading

1. List all clarity grades in order.

--> FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2, I1, I2, I3

2. What is fluorescence?

-->In diamonds, fluorescence is a light emitted during absorption of UV wavelength.

3. What does VS stand for?

--> Very Slight.

4. What instruments are used to grade clarity?

Loupe, microscope, tweezers, pinpointer.

5. What does CZ mean?

--> Cubic Zirconia.

6. What is the most common color that a diamond fluoresces?

--> Blue.

7. What type of light is used to look at fluorescence?

--> UV light.

8. What is the highest color grade "A", "Z", "D" or "S"?

--> "D"

9. What does the word "natural" mean?

--> The gemstone is genuine and not man made or lab created or of any other non-natural origin.

10. What is a loupe used for?

--> Clarity grading.