What is a diamond certificate?
Most people who are deciding to buy a diamond of 0.18 carats or more often wonder what the GIA diamond certificate that comes with the purchase of a diamond or that the seller recommends as something they should have, what is it for, and is it necessary?
Let me tell you that a diamond certificate is very important in guaranteeing your diamond and gems that the quality is exactly as it was bought and sold. Because a standard and reliable diamond certificate will allow buyers to check important details that should be known in the diamond in writing, such as carat, color, clarity of the diamond, quality of the diamond cut,
It can also be specified whether the diamond you buy is a real or fake diamond.
Having it gives more peace of mind.
A diamond certificate that is trusted by buyers or a standard certificate will allow you to compare the quality of each diamond you are deciding to buy more accurately. In addition, if you want to buy it and keep it for future investment,
The certificate will help make your diamond trading easier. The price does not drop compared to diamonds without a certificate. This is the reason why many investors decide to buy diamonds with a diamond quality certificate or a diamond certificate.
The most popular certificates in the diamond industry are GIA certificates, HRD certificates, and IGI certificates.
How much more do you have to pay if you want a diamond certificate?
Of course, there are costs for sending a diamond certificate or issuing a diamond certificate. Buyers who choose to buy diamonds smaller than 0.18 carats often choose to buy or order from trusted factories or stores instead and request a product certificate from the manufacturer.
In the case that buyers want a diamond certificate, the cost depends on the size of the diamond and the details they want to know about the diamond, starting from 1,025 baht up to tens of thousands.
Those who decide to send a certificate for inspection should consult with the seller or the manufacturer for more details.
Easy way to read a certificate, check the diamond yourself
When you open the certificate, you will find that the details are divided into different sections, starting from the details on the left side of the certificate.
Left side of the GIA certificate
GIA natural diamond grading report
1. Date of sending the diamond for inspection
2. GIA report number is the diamond identification number in that certificate. It will appear as a 10-digit number that is not repeated with other diamonds. You can compare this number with the number engraved on the diamond certificate to see if it matches or not.
3. Measurement is the size of that diamond, in millimeters (mm).
Grading results
1. Carat weight is the weight of the diamond, in carats. You can see details of comparing the weight of diamonds from carats to grams in this article.
(Link to other articles)
2. Color grade is the grade of the color of the diamond.
3. Clarity grade is the level of cleanliness of the diamond.
4. Cut grade is the level of quality in cutting the shape of the diamond.
Additional grading information
1. Polish is the level of polishing of the diamond.
2. Symmetry is the symmetry of the diamond.
3. Fluorescence is the reaction that the diamond shows. When stimulated by UV light
4. Inscriptions are the numbers engraved on the diamond in the certificate which must match the GIA report number
5. Comments are additional details or comments from the GIA examination
Middle of the GIA certificate
Propotion
Buyers will be able to know the proportions of the diamond in detail as a percentage, including width, depth, angle, thickness
Clarity characteristics
Found in cases where the diamond is 1 carat or larger, which will be able to see the flaws of the diamond, which are flaws. In the case of external flaws, they will appear in green. If they are internal flaws, they will appear in red
Right side of the certificate
Grading scales
1. GIA color scale, from least transparent (Z) to most transparent (D)
2. GIA clarity scale, from least transparent (I3) to most transparent or flawless (Flawless)
3. GIA cut scale, from poor quality to excellent quality
GIA institute stamp
is a guarantee that it is a genuine diamond certificate. It will be embossed
If you don't know where to choose Finding a shop or factory that can talk and ask for details at every step will make you confident that the diamond jewelry you get is worth the money you pay and truly understands your needs.
Let Siamrington help be the manufacturer and manufacturer for every piece of your work. You can talk, consult and ask for details comfortably with a complete service at every step.
With the reliability of the craftsman team for more than ten years, trustworthy, honest, meticulous
For more information, please contact
