The GUILD routine test report includes independent labels of origin, trade name, etc., and additional pages are added to explain in detail the trade names such as Verdant  Green, Pigeon Blood Red, Jedi, etc; Gota de Aceite, asterism effect and other special effects. Special services such as specific origin determination，Vibrant Brilliance rating will increase the uniqueness of gemstones from multiple perspectives.


Applicable gemstones: all varieties of colored gemstones