Quote Originally Posted by SnapeMargus View Post
I would recommend GSI ������ GSI: Gemological Science International Diamond Certification . I have been working there for few years now. They offer gemological services worldwide from basic grading service to the most sophisticated testing and examination using advanced instruments. With their team of experianced experties they provides reliable and precise diamond sorting and grading services with reliable documatations. Clients can rely on GSI for integrity and transparency.
No doubt, Lab certification is also necessary for a lab but I will recommend you to get ISO 27001 certificate because it is a basic and quite necessary thing for every business. Unfortunately, Most of the peoples are unaware from it.