A sister like to study diamond of fineness under her influence I am the diamond some circumstances also have some understanding of and understanding, I know the gia is a specialized identification of diamonds of the institutions, there have come the conclusion often is the most authoritativeand the most trusted, I want to buy a diamond there is a special accreditation bodies seen the genuineness of the diamond really is difficult to identify, so I jokingly said to my sister to buy a diamond in the future you think youability to identify out of my diamond worth in the end, I did not expect the sister no emboldened to say that I am certainly not so powerful.