Independent GIA Graduate Gemmologist
Bilal Mahir
GIA Graduate Gemmologist and outside partner who certifies the Joalys stones and reviews the guides for gemmological accuracy.
Bilal Mahir is a GIA Graduate Gemmologist. He works with Joalys as an outside partner rather than an employee, and certifies the stones of the house for origin, treatment and authenticity before they are offered for sale. He also reviews the Joalys guides and is answerable for their gemmological accuracy, but he is not their author.