What are the diamond certificates? How many types of diamond certificates are there?

Diamond Certificate:

1. GIA certificate.

The GIA diamond grade report is an authoritative and professional loose stone identification report issued by the Gemological Institute of America, and the GIA diamond grade report and GIA diamond treatment are considered world-class gemstone certificates, while the content of the GIA report is fixed and emphasizes unity. At present, more than 80% of the loose diamonds circulating in the market are GIA loose diamonds, which has also become one of the international certificates with high recognition in China.

2. IGI certificate.

Issued by the International Gemological Institute, founded in 1975 in Antwerp, Belgium, the world's diamond center, it has a wide range of experience, professional advice and long-term reputation for reliable integrity makes IGI synonymous with the reference standard of the jewelry industry.

3. HRD certificate.

Authoritative and professional diamond grading report issued by the Belgian Diamond High Council, the headquarters of the Belgian Diamond High Council is located in Antwerp, the world's diamond center, the HRD diamond grading report focuses on the color grade and naturalness of the diamond, so this diamond certificate has an important position to detect whether it is a natural colored diamond, and the star diamond of Kelan has this appraisal report.

4. AGS certificate.

Issued by the Gemological Institute of America, AGS diamond report has strict grading standards, and is committed to providing detailed information, is one of the world's most authoritative diamond cutting grading institutions, AGS laboratory has a scientific cut grading system, its diamond grading system will be the most important cut (cut) formula in the diamond 4C, and then bring the diamond cut to a new milestone.

5. EGL certificate.

The professional certificate issued by the European Gemological Institute using advanced testing tools and techniques for diamonds and other gemstones, showing the real data of diamonds and other gemstones, the egl diamond certificate has a certain status and popularity in the jewelry industry, and its customers are mainly professional wholesalers, retailers and cutting factories.

1. In the middle of the top of the report, it will be written "About the Diamond Appraisal Report", which means that this is an appraisal report for a diamond ring, not an appraisal report for a diamond or setting or gemstone ring.

2. The next is the "inspection conclusion" in the upper left corner: it is generally a "diamond ring", which means that it has been identified as a natural real diamond, not a fake diamond.

3. The first line is the total mass, as shown in the gram, which means that the weight of the entire ring is grams, generally each diamond ring certificate is only responsible for the identification of the diamond ring, if there are friends who want to see if the certificate is corresponding, weighing can be, generally each diamond ring is handmade finely, the weight will be a little different.

5. The third line is the color, as shown in the figure is F-G, which means that the color of the diamond is F-G, excellent white. The colors of diamond rings are divided into: D-E Extreme White, F-G Excellent White, H White, I-J Yellowish White, K-L Yellow, M-N Yellow.

7. The fifth line is the appearance characteristics, showing the main stone 1 forced setting, which means that the main diamond of the diamond ring is one, and the setting method is forced setting, that is, the clamp setting.

8. The sixth and seventh rows are the table width ratio and the pavilion depth ratio, which are 53 66% and respectively. This is an appraisal of the diamond cut of a diamond ring, which means the best cut.

The certificate is divided into domestic certificate and international certificate, the international certificate is generally a GIA certificate, you can check it on the Internet according to the certificate number and stone weight.

The domestic certificate is divided into national inspection, provincial inspection, and the national inspection can also be verified online according to the certificate number and check code.

As long as it can be queried in the database of the appraisal agency, it is generally not fake.

How the 4Cs of the diamond are displayed on the grading report.

Summary. Hello dear, the diamond certificate is the official appearance, this report will describe the characteristics and grades of the diamond in detail, including weight, color, clarity, cut, etc. A full diamond certificate usually contains the following:

1.The diamond's unique identification number2Shape and size of diamonds3

The diamond's color rating is 4The clarity of the diamond is graded 5The diamond's cut grade is 6

Fluorescence properties of diamonds, if any7The weight of the diamond. In addition, the diamond report may include other additional information, such as:

A detailed description of the analysis of the diamond's natural characteristics, the origin of the diamond, the formation process, the date of issue of the certificate and the mark of the certification body, etc. In conclusion, a diamond certificate can help consumers better understand the diamond they are buying, ensuring that the diamond they are buying truly meets their needs and expectations.

Hello dear, the diamond certificate is the official appearance, this report will describe in detail the diamond's various characteristics and grades, including weight, color, clarity, cut, etc. A full diamond certificate usually contains the following:1

The diamond's unique identification number2Shape and size of diamonds3The diamond's color rating is 4

The clarity of the diamond is graded 5The diamond's cut grade is 6Diamond's glowing withered light attribute (if any)7

The weight of the diamond. In addition, a diamond report may include additional information, such as a detailed description of the analysis of the diamond's natural origin, the origin of the diamond, the process of formation, as well as the date the certificate was issued and the certification body mark.

In conclusion, a diamond certificate can help consumers better understand the diamond they are buying, ensuring that the diamond they are buying truly meets their needs and expectations.

Can you help me see what kind of certificate I have?

Personally send it down.

This is an ordinary jewelry appraisal certificate.

Yes, you can refer to the following diamond certificate levels.

What is it? The level of the diamond certificate.

When I bought it, it was a diamond ring, more than 7,000, so what should I do?

Did you buy this certificate when you bought a diamond ring?

Summary. Hello dear, happy to answer for you. A diamond report is a report issued by a diamond grading agency after the diamond has been evaluated.

The style of the report issued by different diamond grading agencies may vary, but in general, a diamond report should contain the following information:1Name and logo of the accreditation body:

Prove the legitimacy and authority of the appraisal agency. 2.Appraisal Report No.:

Each diamond certificate should have a unique number that distinguishes different diamonds. 3.The weight of the diamond.

Usually measured in carats, e.g. the size and shape of a diamond: e.g. round, oval, etc. 5.

Color grade: Grades are based on factors such as the depth and hue of a diamond's color. 6.

Clarity grade: Evaluates the number and size of inclusions and imperfections within a diamond. 7.

Cut grade: Evaluates factors such as a diamond's symmetry, brilliance, and fire. 8.

Fluorescence: Evaluates the intensity and hue of a diamond's fluorescence under ultraviolet light. 9.

Date and signature of the appraisal report: certify the authenticity and validity of the appraisal report. The style and layout of a diamond report may vary depending on the grading agency, but the above information is more basic.

When buying a diamond, it is advisable to choose a reputable diamond grading agency for the appraisal and ask for a detailed diamond report.

Hello dear, happy to answer for you. A diamond report is a report issued by a diamond grading agency after the diamond has been evaluated. The style of the report issued by different diamond grading agencies may vary, but in general, a diamond report should contain the following information:

1.The name and logo of the appraisal agency: to prove the legitimacy and authority of the appraisal agency.

2.Grading Report Number: Each missing diamond report should have a unique number that distinguishes between different diamonds.

3.The weight of a diamond: usually measured in kvoxiangla, e.g. the size and shape of a diamond:

For example, round, oval, etc. 5.Color Grade:

Diamonds are graded based on factors such as the depth and hue of the diamond's color. 6.Clarity Grade:

Assess the number and size of inclusions and imperfections inside the diamond. 7.Cut grade:

Evaluate factors such as a diamond's symmetry, brilliance, and fire. 8.Fluorescence:

Evaluate the intensity and hue of a diamond's fluorescence under ultraviolet light. 9.Date and signature of the appraisal:

Prove the authenticity and validity of the appraisal report. The style and layout of a diamond report may vary depending on the grading agency, but the above information is more basic. When buying a diamond, it is advisable to choose a reputable diamond grading agency for the appraisal and ask for a detailed diamond report.

Can you help me see what kind of certificate this is?

Dear, you can send it.

This is an ordinary jewelry appraisal certificate.

Yes, dear. Ordinary appraisal certificates, right, this book does not prove the identity and quality of the diamond.

Yes dear.