The certification mark, as intended to be used by authorized persons, is intended to certify The certification mark, as used by authorized persons, certifies that the gemological services, namely, the grading of precious stones, are performed by members of certifier, and that each of such persons (i) is a graduate of an approved course relating to diamond examination; (ii) is employed by a business that is currently and has been a participating member of the certifier's organized group for a period of more than one year; (iii) has passed an annual certification test; and, (iv) has submitted annual dues to the certifier.