Unsure of whether your sparkler is a synthetic? Turn to one of these methods to check. When you're first examining your own diamond or that of a loved one, you may take notice of the 4Cs associated ...

Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do exist—from the fog test to the water-drop test—but the only way to be sure is by ...

The fog test is one of the quickest ways to check for a fake diamond. Just breathe on the stone as if you’re fogging up a mirror. A real diamond will clear almost instantly because diamonds are ...