Popular Gem Stones or Rashi Ratans are : Manak, Moti, Moonga, Gomed, Pukhraj, Neelam, Panna, Lahasunia, Hira.
These are also called Maharatnas. There are very many substitute also.
We have most of these of various quality and size.
WhatsApp us your requirement on +919461319415
and we will provide the details.