Place the glass on a table or any platform and use your diamond to scratch the surface of the glass.
What a real diamond looks like.
Most diamonds are set in a precious metal like gold or platinum.
If the stone s mounting appears to be plated or is only a semi precious metal like copper or aluminum the diamond itself may be fake.
Something like a scratch test could help you determine if the diamond under the question is in fact real.
In the chart below you ll find common diamond look alike stones and real diamonds arranged by specific.
However two properties specific gravity and birefringence hold the key to distinguishing diamonds.
If the fog dissipates right away the diamond is real.
If it takes several seconds for the fog to disperse it is likely a fake diamond.
If you want to make your diamond look bigger either set your diamond with side stones or with a halo says landau.
A light fog will form on the diamond because of the moisture and heat in your breath.
Diamonds and their simulants can share some optical and physical properties.
Separating a diamond look alike from the real thing is one of the biggest challenges a new gemologist faces.
For you to go through with the scratch test you need a plate glass and a loose diamond.