How to identify the diamond ring certificate? Which certificate is more authoritative?

How to identify the diamond ring certificate? Which certificate is more authoritative?

2 thoughts on “How to identify the diamond ring certificate? Which certificate is more authoritative?”

  1. Although we will understand the 4C standard before buying a diamond ring, after all, it is not a professionals, so in fact, when you buy a diamond ring, you ca n’t see which 4C standard is the diamond ring. Appraisal certificates such as NGTC, GIA, etc., NGTC is a domestic jewelry appraisal certificate. GIA is a relatively authoritative certificate was issued by the American Gem Association and recognized the world.

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