How can I check if a diamond is real?

How do you tell if a diamond is real without damaging it?

The Water Test

Drop the gem into a glass of water. While a fake diamond is often hollow inside, a real diamond is high in density. Therefore, if the suspect stone sinks straight to the bottom of the glass, it is a real diamond.

Is there an app to test diamonds?

New Android App to Detect Authenticity of Diamonds and Precious Stones. … Gem Selections has been the only trusted brand for Government Lab-certified Gemstones, Diamonds, and Jewellery since 1987.

Do diamonds shine or reflect?

The short answer is that they are expertly cut and polished to maximize the diamond’s natural brilliance. … Diamonds get their brilliance from three things: reflection, refraction and dispersion. Reflection is the light that hits the diamond and is immediately bounced back up, giving it an instantaneous shine.

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