A precious gemstone is a valuable and rare gemstone, such as a diamond or a sapphire or emeralds or a ruby, that is used for making jewelry or astrological purposes or spiritual purposes. The can take six most sought-after precious gemstones are diamonds, sapphires, emeralds, rubies, oriental catseye and Black Opal.

There are some rare precious gemstone in demand like alexandrites, Tanzanites, Taaffeites, Grandidierites, Musgravite etc.

Ananya Gems Lab test the gems thoroughly, based on the abobe parameters and issue a printed-copy of Gems Identification report or Gems Testing Cerificate. The Gems Identification report contains all the specifications and parameter values. Gems are generally classfied into two types, first Precious Gemstone and second SemiPrecious Gemstone.