Pearls are formed out of constant irritation of an oyster. When foreign particles like sand make its way inside its shell, the oyster secretes “nacre”, a silk-like substance to coat the irritant. When layers of nacre are combined with irritants, the result is a beautiful thing we know as pearl.
Hold the pearls against the sun. If it’s real, you should be able to see variations in its hues. Fake pearls tend to look flat and exactly the same.
Look for irregularities. Real pearls have natural irregularities while fake pearls look and feel perfectly smooth.
Feel its weight. Real pearls should feel heavier while fake ones are exceptionally light.
Cold against touch. Real pearls are cold at first touch. Fake ones are just warm to the touch.
Watch out for flakes. Real pearls never flake or chip.
Imperfect shape. Yes, genuine pearls have imperfections including its shape. If a pearl is perfectly round, it’s most likely to be fake.