WONDER #1214: How Do You Know if a Diamond Is Real or Fake?

Question 1 of 3

What does CZ stand for?

  1. cubic zirconia
  2. Czechoslovakia
  3. cesium zirconium
  4. Cleveland Zoo

Question 2 of 3

A diamond tester verifies the authenticity of a diamond by testing its what?

  1. thermal conductivity
  2. electrical conductivity
  3. both (A) and (B)
  4. neither (A) nor (B)

Question 3 of 3

Which of the following would a synthetic diamond NOT be made from?

  1. cubic zirconia
  2. glass
  3. moissanite
  4. iron

Check your answers online at https://www.wonderopolis.org/wonder/How-Do-You-Know-if-a-Diamond-Is-Real-or-Fake.