CDG Diamond Grading & Evaluation Techniques

Question 1

What is the '4 Cs' in diamond grading?

Accepted Answer

Cut, Color, Clarity, Carat

Answer

Cut, Cost, Clarity, Carat

Answer

Color, Cut, Carat, Clarity

Answer

Clarity, Color, Cut, Cost

Question 2

What does diamond 'cut' quality affect?

Accepted Answer

Its brilliance and sparkle

Answer

Its size only.

Answer

Its color.

Answer

Its clarity.

Question 3

How is diamond color graded?

Accepted Answer

From D to Z

Answer

From A to F.

Answer

From 1 to 10.

Answer

From X to Z.

Question 4

What is diamond clarity concerned with?

Accepted Answer

Inclusions and blemishes

Answer

The diamond's weight.

Answer

Color variations.

Answer

Cut angles.

Question 5

What does carat weight measure?

Accepted Answer

Size or weight of the diamond

Answer

Color quality.

Answer

Cut precision.

Answer

Clarity level.

Question 6

What tool is commonly used to examine diamond clarity?

Accepted Answer

Jeweler's loupe

Answer

Micrometer.

Answer

Colorimeter.

Answer

Refractometer.

Question 7

How does fluorescence affect a diamond's appearance?

Accepted Answer

It can cause a glow under UV light

Answer

It always improves color.

Answer

It affects clarity.

Answer

It affects carat weight.

Question 8

What is the importance of symmetry in diamond grading?

Accepted Answer

It affects light performance

Answer

It has no importance.

Answer

It determines color grade.

Answer

It affects weight.

Question 9

Which grading report is widely accepted for diamond certification?

Accepted Answer

GIA report

Answer

EGL report

Answer

AGS report

Answer

None of the above