Hyderabad Pearl Set How To Identify That A Jewellery Is Artificial Or Real(original)?

How to identify that a jewellery is artificial or real(original)? - hyderabad pearl set

I mala.i won a number of pearls, Hyderabad e-Bay. Am not able to recognize that this set of original or artificial pearls one.pl let me know the methods or procedures that detect it.I want to do this without me an expert.