Liu Fu Fifth C: Certificate. There are many certificates in the market, such as GIA, IGI, HRD, domestic provincial inspection certificate and national inspection certificate, which can be used as a reference for diamond rating and also give customers another C, that is, "confidence".

As early as 1994, Liu Fu Group established the China Jewelry Appraisal Center, which is the only jewelry appraisal center for jewelry retailers in Hong Kong. At the same time, it has obtained ISO 17025 jade authentication and diamond detection rating.