Take this diamond, you have a minute of verification of original or fake .....
If you are not ready to know an authentic or fake room, you should read this book because the opportunities do not wait and you must be ready for every treasure.

This book summarizes the experiences of gems and archeologists,

You will discover the names of the stones and their shape and ways to verify their authenticity and knowledge of imitation of them easily

 Diamond Fayrouz and most precious stones:

Sapphire stones
Diamond
Emerald
Stone Ambassador
Agate stones
Amethyst stones
Turquoise stones
Topaz stone
 Lapis lazuli stones
.....