How Do You Know If A Diamond Earring Is Real. A quick and easy way to tell if your diamond is real or not put the stone in front of your mouth and fog it up with your breath. Inside the stone the diamond will sparkle gray and white known as brilliance while outside of the gem it will reflect rainbow colors onto other surfaces this dispersed light is known as fire.
IlovebutterFlickr The way that diamonds reflect light is unique. Breathe deeply on it. This will fog up the diamond like you would a window in your car.
Turn off the lights and hold the stone in front of the black light.
For jewelry youve got at home you can always do a quick float test to see if it is real or fake. A quick and easy way to tell if your diamond is real or not put the stone in front of your mouth and fog it up with your breath. What do the Test Results Mean. Therefore if the suspect stone sinks straight to the bottom of the glass it is a real diamond.