From past to present, more than ten tests have been found to determine whether precious stones are real or not, and some of them have survived to the present day and help inform us. So, how to recognize a diamond? What are these tests that can help us answer the question?

1) Water Test

2) Fog Test

3) Test Made by Heating the Stone

4) UV Light Test

5) Test with Newspaper

6) Spot Test

7) Sparkle Test

8) Examination by a Diamond Expert

9) Examination Using Thermal Conductivity Probe

10) Counterfeiting Measurement Using Electrical Conductivity

11) Examination Using a Microscope

12) X-Ray Examination (Laboratory Test)