Many people who have bought a diamond ring may have a common doubt: the same is a carat, how big is the difference! The cheapest is about three or four thousand, the most expensive is 180,000, and it can be sold to two or three hundred thousand in the mall. You might guess that because the brand is different, or the origin is different... But in fact, this is not the most fundamental reason.
So what determines the value of the diamond itself? How can ordinary consumers who don’t know how to avoid being deceived and buy the most cost-effective diamond ring? I will answer these questions one by one in the following texts. I am very anxious. Let us talk about the value of diamonds first.
What is 4C, can actually determine the value of diamonds?
The main factor determining the value of diamonds is actually the 4C that is most often mentioned: CaratWeight, Clarity, Color, Cut, and other dimensions of the diamond in the professional field. The impact is also great, but it is difficult for consumers to distinguish, so I will only talk about the four dimensions that are most useful for everyone to buy.
The 4C standard was originally created by the Gemological Institute of America (GIA), and the GIA Diamond Certificate is one of the most authoritative certificates in the world. In addition, there are IGI (International Gemological Institute), HRD (Belgian Diamond High Council), and EGL (Europe Gemological Institute Laboratory) diamond certificate.
Since GIA created the 4C standard and it is the most authoritative in the four certificates, I will use the GIA certificate as an example to describe the 4C information that I need to know before buying diamonds.
1, carat
Ct: carat (the unit of weight of the diamond)
Carat is the measure of the weight of a diamond. One carat is equal to 200 milligrams, which is equivalent to 100 cents.
Many people think that the weight of diamonds is the most important, so as long as the financial resources are enough, they love to buy big ones. But in fact, in determining the value of diamonds, it is as important as the other three dimensions, and only accounts for about 25%.
The diamonds of the same level are of course more expensive, but there are also very small diamonds (possibly 0.3 carats) that are more expensive than 1 carat. Big, just a dimension of diamonds, don't care too much when buying diamond rings, it's better to care about other dimensions, they are also very important.
2, clarity
Diamond clarity refers to the extent to which it has no inclusions and surface features. Although there are no absolutely flawless natural diamonds in the world, the higher the clarity, the higher the value. GIA's diamond clarity standards are divided into 6 categories, with 11 grades: no grade (FL), no grade (IF), very slight inclusion (VVS1 and VVS2), and slight inclusion (VS1 and VS2). , micro-inclusive (SI1 and SI2), inclusive (I1, I2, and I3)
Although other dimensions can't make up for the lack of clarity, in fact, when buying a diamond ring, the clarity can be neglected and reduced, and there is no need to have such high requirements.
3, color
The color of a diamond actually refers to its degree of colorlessness. The DZ color grading system used by GIA is the most widely used grade identification standard, and the D grade is the highest color grade of diamonds, representing completely colorless. From D to Z, as the color deepens, the diamond level gradually decreases.
4, cut
Cutting is critical to the appearance and value of diamonds and is the most complex and technically demanding identification standard in 4C. The standard bright cut of the round diamond (57-58) has been popular for nearly 100 years. The diamond has the best refractive index under such numerical standards. The reflected color is not single, which can emit the most perfect light. GIA Diamond cuts include five grades: Excellent, Very good, Good, Fair, Poor.
There are three dimensions to the cut-off subdivision: cut, polished, and symmetrical. The first is the primary attribute, and the latter two are the secondary attributes.
These little secrets of the diamond ring, you must know
1. It’s good to buy a diamond to see the certificate.
I also mentioned the four major authority certificates in the world, but if you buy diamond rings in China, you must remember to check the national inspection certificate. If the store shows you some certificates from provincial inspections, city inspections or other inspection agencies, don't trust them. You can ask them to issue an authoritative diamond certificate.
NGTC National Inspection Certificate
As for how to use a certificate to pick a diamond, I will talk about it later. Anyway, when you buy a diamond ring, you must look at the certificate!
2, you must not think that the diamond ring bought in China is the lowest price in the world.
At present, China's jewelry industry is in a vicious competition. The gross profit margin of the merchants is very small, and it is not as big as most people think. Therefore, there are times when you lose money and sell it. In this case, of course, it is affordable.
3, in addition to 4C, diamonds have an important fifth dimension, you have to understand
Under normal circumstances, can you tell the five diamonds with different fluorescent levels?
Fluorescence is the fifth dimension that affects the value of a diamond. The trace elements of a diamond can make it appear blue, yellow, or other colors under ultraviolet light.
In general, diamond rings without fluorescence are more expensive than fluorescent ones, but fluorescence is not completely bad: some diamond rings with a very low level will show white with a little blue fluorescence; as for colored diamonds, fluorescent is also good. . What's more, some people prefer diamonds with fluorescence.
However, it is recommended that ordinary consumers try to choose white diamonds without fluorescence. Be aware that after a very high level of fluorescence, it can affect up to 25% of the value of the diamond.
4, get married to buy a diamond ring, you can go to the wedding fair to see
Many brands, including some big brands, will sell several products to the wedding fair. Basically, the prices are particularly affordable, and the style and quality are good. So if new people have time, they can go to the wedding fair. It is better to buy a diamond ring at a more affordable price!
This picks the diamond ring, the most cost-effective
1, the brand
Buying jewelry is most afraid of buying fake, how can we avoid it? If you are not a professional, the safest way is to buy regular branded products, especially those that everyone knows. It may be a bit more expensive, but it can be fidelity and guaranteed.
2, clarity
Ordinary consumers buy VS, if you know how to do it, you can pick a good SI1. Because the clarity of the diamond is observed under a magnifying glass of 10 times, no one in daily life will have a diamond ring with a magnifying glass 10 times.
So when you buy it, remember to pick a naked eye that is invisible, and the position is good (not on the table). Without black dots and no color, it will reach the level of VS2 or SI1. It is not recommended.
3, color
Buy a F or G grade, and a little bit of diamond ring ratio, absolutely white; with the best D color ratio, absolutely not yellow, people who have not been trained can not see it.
4, cut
If you have the money, you can buy the best, and the cut is unambiguous, because the diamond does not flash completely depends on the cut. The most recommended EX, followed by EX VG VG and EX VG EX is also good, neither EX EX EX is so expensive, can be about 25% cheaper; if you really have no money to buy VG, then low is not recommended. G's cut is already very bad, whether it is fire or size, the diamond has basically gone.
According to the above four suggestions, the diamond ring will be sold on the market, and it will be more tight. The value-preserving property is good, and the appreciation space is also better. Therefore, investment can be chosen as such, unless you buy dozens of carats, hundreds of carats or extremely rare diamonds, of course, the higher the level, the better.
Generally, you don't need to buy a diamond that is less than 5 carats, because it is not rare, and the best circulation in the market is the recommended purchase. The natural price will be higher.
Buy a few mistakes in the diamond ring, you can never step on
1. Appellation of origin
Many people like to ask "Whether this is a South African drill", but in fact, the South African diamond is only a large amount of mining, the quality is very general. What's more, diamonds are not produced, and their value has nothing to do with the place of origin.
Therefore, after buying a diamond ring, you can remember it: don't recognize the place of origin, the certificate!
2. Love to buy diamonds when traveling
Basically, I have never heard of buying a diamond that is cheap when traveling, or buying a fake, or spending a lot of money. Now that the price of diamond rings in China is already the lowest in the world, you should not go to a strange place to take risks.
3, everyone loves a carat
Many people love to buy a carat, but the most cost-effective is the 70-point diamond ring: it looks almost the same, but the same level can be more than half cheaper than a carat, so don't just stare at one carat.
It is really necessary to buy a carat, it is recommended to buy 1.01 carats of this one or two more diamond ring, which is good for value preservation and appreciation. Because the local sayings are not the same, one carat is only 0.2g, very light, so if the electronic scale is slightly off, the one carat you buy may become 99 points, the value will be much lower. Because the diamond is a step, 99 points and one carat are two concepts, so if you want to buy a carat, buy a few more points.
4, buy a cheap shaped drill with the high price of round diamonds
It doesn't matter who cuts the diamond brand, so no matter what the salesperson says, don't trust it. For example, he will say, "You see this level is GOOD, what does GOOD mean? It's good," but in fact, GOOD cuts. The work is already very poor, so you should do more homework before you buy a diamond and learn the certificate.
Another point is also easy to be deceived. In addition to the standard 57-58 cut surface is a circular drill on the market, other cuts are shaped drills. Even if it looks like a round diamond, as long as the number of cuts is wrong, it is also a shaped drill, the value will be 20%-50% lower than the round diamond. But if you are a knowledgeable person, you can buy a heterosexual colored diamond, which is both good-looking, special, and much cheaper than round white diamonds.
5, hidden attributes are hard to find
Some diamonds have hidden attributes, which are commonly known as "garbage drills." These attributes are not reflected in the diamond certificate, and the big brands will be sold. The serious garbage attribute will affect half of the diamond value, but fortunately some garbage properties are visible to the naked eye.
For example, "coffee" means that the color of the diamond will be brown. Even if the color is F-class, it looks like the H-class. Once it has dropped several levels, the certificate is still F-class. Such diamonds have a low purchase price, but the opposite is true when they are actually sold.
Now GIA has begun to show strong milk and coffee color cast, but it is not too strong.
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