1. What is the 4C of diamonds?
The 4C standard for diamonds is: carat, clarity, colour, and cut.
2. Which is the 4C of diamonds?
The value of diamonds is determined by 4C, so 4C is very important. From the perspective of cost performance, we need to focus on the selection of diamonds. In the case of certain size, we first recommend the consideration of C, the degree of cut. Directly affect the fire of diamonds, all we often say that cutting is the second life of diamonds, secondly consider the color of this C, the color from DZ, the closer to D color, the more transparent the diamond, it is recommended to consider the clarity of this C, to VS Above grade is good, SI grade is cost-effective, because clarity only has a small impact on diamonds.
3. What is the weight unit of the diamond?
The diamond is measured in "carat". The "carat" is the English "carat", referred to as "ct". One carat is equal to 100 points, 5 carats is equal to one gram, and one carat is equal to 0.2 grams.
4. What is the difference between VS1 and VS2?
VS1VS2 full name VERY SLIGHTLY INCLUDED, note that under the ten-fold magnifying glass, it is more difficult to see the inclusion or external flaw. This is for the skilled appraisers. For non-professional appraisers, VS1VS2 is innocent under the magnifying glass.
5. What is the heart and the arrow?
Eight hearts and eight arrows mean that the round loose diamonds can be seen in the special viewing mirror, and eight arrows can be seen on the front side, while the reverse side will have eight heart shapes. As the name suggests, Heart&Arrow is referred to as H&A or the Eight Hearts and Eight Arrows Cupids.
6. What is H&A? What does 3EX mean?
H&A represents the effect of diamonds with eight hearts and eight arrows. 3EX stands for the polishing, symmetry and cut of diamonds, which is the high-end cut in diamonds.
7, H&A eight arrows and eight hearts
Eight arrows and eight hearts are united, and the eight beautiful artistic conceptions such as "邂逅, love, suggestion, dream system, first kiss, lingering, tacit understanding, and mountain alliance" are used.
8. Is it better to have diamonds with eight hearts and eight arrows?
Eight hearts and eight arrows only represent the degree of symmetry. In the symmetry, this parameter is G or above, and there are eight hearts and eight arrows. However, the diamonds cut into EX will definitely have a heart and eight arrows effect, which means that a good cut must be There will be eight hearts and eight arrows, and the good and bad diamonds can not be measured by the heart and the arrow.
9. Why is there a lack of fire in the heart?
Hearts and arrows only refer to the symmetry of diamonds. It is not very good to represent CUT. The fire of diamonds mainly depends on cutting, so we must look at other cutting indicators.
10. Is there a big diamond with no big diamonds?
Not necessarily, the fire of a diamond is to see the cut, of course, the greater the value of the diamond, the higher.
11. Is it bad to cut VG diamonds?
GIA diamond cuts are divided into five grades, EX, VG, G, F, and P. The cut diamonds of VG are not very good diamonds.
12. What are the shapes of shaped diamonds?
Generally, the shaped diamond has a heart shape, an elliptical shape, a marquise shape, a teardrop shape, an emerald shape, a princess square shape, a rectangular shape, a triangle shape, and the like.
13, the fluorescence in the diamond
(1) The fluorescent Fluorescence index refers to the intensity of colored light such as blue light or yellow light that the diamond emits under ultraviolet light. That is to say, in the summer sun with strong ultraviolet rays, fluorescent diamonds may have the presence of fluorescence.
(2) Not all diamonds have fluorescence, but it is true that most diamonds have a little fluorescence. Internationally, diamonds are required to be written with fluorescent indicators. There is no special label on the domestic certificate.
(3) Fluorescence is not all blue, and the fluorescence of diamonds is blue, yellow, orange, pink, and so on.
14. Does fluorescence have any effect on the value and aesthetics of diamonds?
Fluorescent diamonds are less valuable than non-fluorescent diamonds, and aesthetics have some effect
15. Where is the origin of your diamonds? Is it often said that South Africa drills?
You are talking about rough diamonds. In fact, the original origin of diamonds is not known. Now South Africa’s diamond mines have been exhausted. The reason why South Africa is famous is because South Africa has produced several large diamonds, such as the "Star of South Africa". At present, the main producing countries are Australia and Russia. 70% of the world's diamond embryos are controlled by DTC, so the origin of hairy embryos is difficult to define. DTC will distribute the embryos to several world's largest cutters, with the most cutting process in Belgium and Israel. it is good.
16, the price of two stones is similar, the weight difference is 0.05 to 0.1CT, but the cut and cleanness of heavy stones are one level lower. Which one is better?
See what you need, if you want to choose the small one, if you want a stronger visual effect, choose the big one, after all, the gap of 5 to 10 points is still easy to see.
17. Why are there a number of diamonds in a carat?
For more than one carat, in order to maintain its perfection, no laser number will be used unless specifically requested. However, there is a large certificate icon, and the diamond can also be identified.
18, when the diamond ring is not worn for a long time, how to deal with Ah?
The diamond can be placed in a jewelry box or wrapped in a soft handkerchief. Do not put it in a plastic box to avoid rubbing it with other accessories.
19. After the diamond has been worn for a while, the fire color is not as good as before. What should I do?
You can choose to come to our store for free cleaning and maintenance, or clean it at home. The method is very simple: after soaking the diamond ornament with the warm water detergent solution, then rinse it with water, and finally wipe it with a cloth that wipes the cloth or wipes the glasses.
20. I heard that diamonds larger than one carat are not laser-numbered. How can I prove that this diamond is still inlaid?
There is a diamond ç‘•ç–µ logo on the GIA certificate, which is the only one corresponding to the diamond. If you don't look at it, you can go to the domestic testing agency for a re-examination, and let the professionals help you see the æ ‡è¯† logo.
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