A Guide for Diamond Certification
November 29,2024
What is diamond certification?
Diamond certification is a professional gemstone appraisal agency‘s assessment of the authenticity of a diamond.
A process in which the diamonds are then graded according to the 4C standards and the evaluation results are recorded on the certificate.
The diamond 4C data on the diamond appraisal certificate can allow consumers to understand the value of the diamond more intuitively.
What are 4C standards？
The 4C standards refer to diamond carat weight, color, clarity and cut.
These four aspects are used to grade diamonds and they use more standardized data to reflect the value of diamonds.
The data of the 4C standards are all reflected in the diamond certification, which is important information to know when purchasing diamonds, and it is also the insurance for diamonds.
What are the mainstream diamond appraisal agencies？
1. GIA (Gemological Institute of America)
GIA (Gemological Institute of America) was founded in 1934 by Robert Morrill Shipley.
It is the co-birthplace of the international diamond grading system and the founder of the 4C standard. GIA’s diamond certificate is currently the mainstream certificate for natural diamonds.
2. IGI(International Gemological Institute)
IGI (International Gemological Institute) was founded in Antwerp, Belgium, the world diamond center in 1975.
Over decades of identification, IGI has developed patented technologies such as laser engraving and darkroom photography, and pioneered and promoted the 3EX cut evaluation system. It has long been a leader and standard setter in global gemology. IGI’s diamond certificate is currently for lab grown diamonds mainstream certificates.
Overall, buying diamonds is a relatively complicated process for consumers, but as long as you understand some basic elements, the buying process will become simple.
The most important thing is to buy diamonds with a diamond certificate. Buying diamonds with a certificate is mainly to ensure the quality, origin and authenticity of the diamond. The 4C data in the certificate can also allow consumers to more intuitively understand the weight, color, clarity, cut and other data of the diamond.
Therefore, diamonds with certificates provide consumers with more protection and confidence, especially for higher value diamonds, having a reliable certificate is almost indispensable. When purchasing a diamond, reviewing and verifying the certificate information is a very important step.