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The "four C" principles selected by diamonds: cutting (cut), color (color), purity (clarity), and carat (carat weight). This is the quality and value of the key to identify diamonds.

The cutting and cutting is one of the only human factors. A skilled diamond cutter can make a dazzling diamond raw ore, which can maximize the internal light reflection to the diamond surface. The cutting machine likes to cut it around it, as if in the mirror asymmetric. As a lack of technology and abandonment
, a good diamond ore master may be removed. An ideal diamond should be round and 58 clear cutting edges, which can reflect light to the greatest extent. High -quality diamonds have high value, strong reflexivity and symmetrical, but it is not perfect tailoring. Poor cutting diamonds may want to retain it, because the maximum weight is too deep or too shallow, so it cannot make it shiny. Following technology will also affect diamonds, perfect cutting quality, and symmetrical polishing diamonds may be due to a bad reduction value.
color
The comparison between some large quantities of diamond jewelry shops will be displayed. The diamonds they will scold can help customers in different colors, because general customers cannot distinguish the color of the naked eye diamond. The color of the diamond is colorless, and it gradually follows the yellow.
It purity
In general, the value of diamonds determined by defects. More precisely, this depends on how many ore drilling impurities. Almost every diamond raw ore contains impurities, and even better quality of diamond ore.

Clarkra diamonds are considered to be measured by a decisive standard value. When someone says that buying two diamonds two carats, people will feel incredible. In fact, diamond cutting, the color and clarity of diamond value, weight is equally important. Is there a perfect cutting diamond with a poor cutting process, yellowish colors and defective 200 cubes of carats, and a perfect cut diamond. Therefore, the weight of diamonds is not an important factor in determining the value of diamonds. The weight of diamonds still affect its value. It is very important to understand whether the jewelry dealer tells you the exact weight of the diamond. Therefore, you can measure the weight of the diamond when you buy it on the spot. If the jewelry dealer is unwilling to do this, then go to other shops.

sequets of mosaic mosaic are a very important part of it. If it is not inlaid, it will cause a lot of trouble, and it may cause the diamond to fall off. Therefore, when you check, buy a diamond ring pallet and fix it in the correct position as the diamond. Now on the market
shape
mode, more and more jewelry designers are constantly innovating. But the more classic style is round, oval, pearl -shaped and square. The overall diamond shape does not affect value and quality. Instead, this also reflects the original shape in the diamond before cutting.
The written description
This diamonds should have a proof of authenticity, which shows the weight of the diamond and the quality of cutting technology. This is the guarantee diamond you buy.
Suggestion:?
The choice to try to choose 0.20 carat diamonds, because only 0.20 carat diamonds begin to show the diamond "fire color" 0.20 carat diamonds are too small, showing that the optical effect of the diamond is very obvious, and it is almost impossible Essence It must be purchased by 25 points, so the best diamond ability, more than 25 points of diamonds "Firecai" began to be obvious.
? Avoid integer bits, such as 0.30, 0.50, etc., think about a few carato 0.0 values, it is not worth spending so much to buy. But X8 points, x9 points, so the stones you can't find, because as long as the standard of this process is slightly cut, it will change its range, you can reduce the X8 with a very non -standard standard. The stones of cutting diamond processing, they still choose the digital insurance of X7 Honggou.
The guidance of diamond grading certificate
? Buying diamonds must be equipped with a class certificate
? Please do not blindly pursue foreign graded certificates. I can say responsiblely that China's grading standards are more stringent than the classification standards abroad, especially the clarity and color grading. The Beijing Entry -Exit Inspection and Quarantine Bureau is the first nationwide, and sometimes it can be simplified into two international certification levels. For example: a customer brings GIA grading certificates, 50 points, VVS1, F color, Vittet cut diamonds, and gemstone XXX in the Beijing Inspection Center is graded, VS2, HI color, and Victor cut for 50 minutes. Intersection
has the following two types:
) Bare diamond grading certificate
) The finished grading certificate
The certificates of form are all graded certificates, but very different
) Weight
? Bare diamond diamond grading scales can be called accurate carat weight
? It can only estimate the size of the diamond according to the scale of the table (because it has been inlaid, the weight of the gold diamond, so the weight cannot be weighed), but after all, it is not an accurate estimate (the impact of cutting injuries, the premise is that the premise is cutting. It is standard), if it is a 98 -point stone, the inlaid is rated as 1 carat, which can not be seen after writing two points, but according to the carat premium, it is more than 2 minutes to write that it may spend more than 5,000 yuan _ 2) Clear clearing Degree
? Bare diamond grading is a microscope from different angles, and gem -grade diamonds, which improves the opportunity for searching
All small flying grounds? The tiered diamonds of the finished product have been embedded in a grade teacher above the precepts. From the table, you can observe that all the flying places that have not obeyed, and sometimes just a diamond inlaid with a diamond inlaid. (Crack) Diamond SI -level diamonds may be upgraded to VS or VVS level
3) Color
? When observing the bottom of the table and diamond, the diamond grading ratio -color card naked diamond grading machine is usually used (diamond tilted color is as long as it is viewed from the bottom)