Diamond 4C can provide a common language for the Jewelry marketers and sellers, whilst make it easier for the consumer to understand about the know-how on purchasing diamonds.
The color of the diamonds can be divided into 22 grades from D-Z under the standard of the GIA.
The lighter the color is, the higher worth of the diamonds. It’s best to choose diamonds form Color D – I while choosing your ideal diamonds.
Other than the color of the diamond, GIA also emphasized on the Fluorescence of the diamonds. The fluorescence is used to measure the reaction of the diamonds under the UV light. The reaction can be divided into 5 levels, which are None, Faint, Medium, Strong and Very Strong. It will be best for the consumer to choose diamonds which have non fluorescent colors show while approaching the UV light.
- GirdleIf the girdle of the diamond is in a matt texture, you can observe the lines on it. Since diamonds hardness is the highest among the mineral products, only pellet shape lines will be found on the girdle. If there are any stripe lines on the girdle, the diamond is most likely a fake product.
- Link Line
Because of the hardness of the diamond, the link line of the diamond should be a bit rough. If the link line is all smooth and clean, the product most likely is a fake.
- Facet ridge
For real diamonds, it’s hard to find any wear down on the facet ridge of the diamonds.
If there is any attrition on it, the product should be faked.
- Triangular growth pattern
Since diamond is a natural growth mineral, some triangular growth pattern can often be found on the diamonds. Therefore, if you can find any triangular growth pattern on the
Diamonds, the products should be real.
- Shape of the damaged parts.
If there are any damaged parts on the real diamonds, the cut of it should be in a stairs shape. If the products are faked, the cut will result in round or shell shape.
If you cannot find a magnifier, you can simply breath a breathe on the diamond and observed how the fog shed away. If the fog caused by your breathe shed away immediately, the diamond is real. On the contrast, if the fog still on the diamonds for a while before it shed away, the diamond most likely is faked.
a) First, you can dilute the cleanser with water. Then use your brush to dip in the mix and clean the diamonds gently.
b) Dip in the mix again and clean the Mounting and the ring.
c) Rinse the ring under water.
d) Dry it completely with the towel and the dryer.
a) The diamonds should be kept in jewel box made with soft materials. You should avoid putting the diamonds with other jewelry to prevent any friction.
b) Since diamonds are oil soluble, you should prevent the diamonds to approach any oil or chemical materials. You should remove your jewelry before putting on any lotion, perfume or any other cosmetic products.
c) Diamonds and jewelry should be removed before swimming to prevent any harm brought by the chlorine in the pool.
For any further information, you can visit the official website of GIA
GIA cert sample:
The certificate provided by the GIA will contain all the information about the diamonds. Except of identifying the 4Cs of the diamond, it will also include a full report on the fluorescence, the length and proportion of all parts of the diamonds. After the certificate of the diamond is released, the GIA report number will also be laser printed on the girdle.
There are a few features on the GIA report to prevent any forgery.
- The GIA Logo water printed by special white ink.
- The GIA report number should be the same with the paper report.
- The report should contain the laser security tag by GIA.
- The report should contain a QR code which can directly refer you to the online copy of your report on the GIA website.
- A certain area of the report will change color when the temperature reaches a certain degree.
To measure the diameter, you can simply use a ruler to measure it within your ring. For the circumference, you can use a cotton string to wrap around your finger and then measure the length of the ring by a ruler to get the size of your ring.