Get in touch with us

Reach out for gem grading and identification services.

A professional gemologist examining a sparkling diamond under a microscope.

Our Location

Visit our precision gem grading laboratory in Brasília, where expert gemologists and advanced imaging technology come together to serve the gem industry.

Address

Setor de Indústrias Gráficas, Brasília

Hours

Mon to Fri

Got a Question?

Learn about gem identification, diamond grading certificates, light behavior, digital fingerprinting, ImaGem technology and how PGGL’s certification is different from traditional labs.