When buying diamonds and jewelry, everyone will receive a diamond certificate, also known as diamond grading report, diamond quality report, which is a third-party with high international reputation. The authoritative organization carefully investigates it under high-tech instruments, analyzes its size, clarity, cut, color, polish, symmetry and other relevant characteristic data, and then grades it to form a report.
Generally speaking, the 4C standard for diamonds is divided into four aspects: color, clarity, cut and carat, which are referred to as 4C grading. The 4C grading name is commonly used internationally, but due to the different technologies or improvement methods mastered by major appraisal institutions, there will be subtle differences in the grades of diamond data when the evaluation results are issued. ), GIA (Gemological Institute of America), and HRD (HRD Antwerp) have all made detailed grading standards for cultivated diamonds.
Generally speaking, the 4C standard for diamonds is divided into four aspects: color, clarity, cut and carat, which are referred to as 4C grading. The 4C grading name is commonly used internationally, but due to the different technologies or improvement methods mastered by major appraisal institutions, there will be subtle differences in the grades of diamond data when the evaluation results are issued. ), GIA (Gemological Institute of America), and HRD (HRD Antwerp) have all made detailed grading standards for cultivated diamonds.
