medallion jewelry wholesale I heard that there is a kind of cultivation of diamonds now. Can this thing be issued?

sidney jewelry wholesale This diamond has the same physical, chemical and optical properties as natural diamonds. Therefore, academic circles have determined that it is a gem -grade diamond with value. In international authoritative testing, it can issue diamond grading certificates, such as IGI, GIA, HRD, etc. At present, the NGTC national inspection can also issue a class certificate