Headquartered in Paris, Bellerophon Gemlab, also popularly known as BEL gem lab, is an expert in identifying the origin and treatment of any gemstone. It delivers gemological reports for all colored stones worldwide. Navratan brings to you the widest assortment of colored gemstones carrying gemological reports from BEL or Bellerophon Gemlab operating in France as well as Bangkok. Connect now.!