As being a nonprofit research and schooling institute, we do not promote gems or jewellery, or symbolize those who promote them. GIA is definitely an independent, impartial entity that conducts research, grades diamonds and gems, and educates college students, professionals and the general public on the standard of these materials. https://preecha-concrete-pile28035.p2blogs.com/33544076/5-simple-statements-about-diamond-certificate-types-explained