The number of gia diamond certificate corresponds to the waist code on the diamond, and consumers can independently inquire about the relevant diamond grade by means of the number.

Query steps:

1, enter the gia website and enter the official gia website;

2. On the homepage of the website, there is a gia certificate number inquiry column at the top left, and you can directly enter the gia number for inquiry;

3. Click Query to jump to the verification code page and enter the verification code;

4. Through the verification code, you will jump to the details page of gia diamond certificate, in which the parameters, grades and cut ratio of diamonds are recorded in detail.