What should I pay attention to when buying a diamond ring? What do you think of the quality of the diamond? I am confused, I am too official on the Internet, and I look confused. Experienced help to talk about it
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The most important thing for buying a diamond ring is to see Diamond 4C, which is the most important factor in determining the value of diamond ring.
The standards for measuring the quality of a diamond are mainly four dimensions: cact, clarity, color (color), and cut (CUT), which is usually the "4C standard". This standard was founded by GIA (American Gem Institute) and is currently the most mainstream diamond evaluation standards in the world.
The diamonds are identified and issued by international gem scholars and issued third -party independent opinions. Based on 4C standards, the price of diamonds is determined.
color:
The colorlessness is the best. The deeper the color, the worse the quality. In the colorless diamond classification, the top color is D color, and it is arranged to Z in turn. Here we only say that from D to J's color level, D-F is a colorless level, G-J is a near-color level, Levis does not provide provides not provided The diamond ring below K color is not recommended to buy diamond rings below K -level.
Cleecentness:
The clarity grading is based on the location of the inner content, the size and quantity are different to divide. From high to low, it can be divided into FL, if, VVS1, VVS2, VS 1, VS2, SI1, SI2, SI3, P1, P3, P3. Observe the degree The more obvious, the worse the quality, and the price should be reduced accordingly.
The cutting:
This refers to the geometric shape and arrangement of various petals of the finished nude diamond. The cutting is divided into three items of cutting ratio, polishing, and modification. Each item has five levels, from high to low in order is Excellent, very good, good, fair, poor. Generally, diamonds are cut in standard round diamonds.
carats:
In the same case of other three C, diamond prices are proportional to the square in weight. The greater the weight, the higher the value. The weight of the diamond is based on carats. 1 carat (CT) = 0.2 grams (g). The average one -carat is divided into one hundred copies, each of which is one point. The target of the mall price is 0.3CT, and 0.4ct is said to 30 points and 40 points.
When buying diamonds, you should pay attention to the 4C, color (color), weight, clarity, and cut (CUT) of the diamond. Four standards are evaluated. Since the beginning of the four standard English words is "C", the habit is called a 4C rating.
The color
In color evaluation, we mainly classify the colorlessness of Cape Series -the light yellow series diamonds. The hierarchical standards currently used are based on the standards of CIBJO (International Jewelry Jewelry Federation) and GIA (American Gem Academy) as the main references (that is, the color of the English letters D ~ Z diamond is divided into 23 different levels. The higher the color level of the diamond).
The clarity
Colidate according to my country's national standards, the clarity of diamonds is divided into LC -flawless levels under the mirror; VVS — polar micro flaws include: VVS1, VVS2 level) ; VS -micro -flaw (including VS1 and VS2) SI -level -small flaw (including SI1 and SI2); P -level -heavy flaw (including P1, P2 and P3 level)
Gong
This is the only part of 4C that can be directly controlled by people. It largely affects the fire color and brightness of diamonds, which also affects prices. In the cutting classification, we mainly classify the rigorous proportion of the diamonds of the round multi -faceted type, and can also be classified for the fancy carving type. In my country's national standards, the high, waist thickness, deep pavilion, platform width, depth, and modification of diamonds are generally evaluated. It can be divided into three levels of good, good, generally three levels
weight
I international general carat (CT) to represent the weight of the gem, (1 carat = 100 points = 100 points = 100 points = 100 points = 100 points = 100 points = 100 points 1/5 grams). The weight of diamonds has a direct impact on the price of diamonds. If all other factors of the finished diamond are the same, the higher the price of diamonds, the higher the price of the weight, and the increase in this price is not increased according to the number of arithmetic levels. In the diamond industry, the price of diamonds is represented by how much per carat. For diamonds that weigh within a certain range, each carat can listen to the quotation at the same price. Diamonds exceeding this range are different per carat. For unsolved diamonds, the weight is generally used in carat or balance, and the weight is accurate to the second place after the decimal point. Calculate its weight by replacing the standard.
Mainly 4C (Cut the Cut Claded Cleaner Color)
Cutting: a perfect cut diamond is to condense all the light from the outside into the diamond, and then the desktop and the crown are all face -to -face. Fire light and fire color. The bottom cut is too deep, and the light cannot be refracted internally to produce light leakage; the bottom cut is too shallow, and the light immediately goes from the bottom. Neither of the diamond reflects the fascinating glory. If you cut too shallowly, you can see the eyes of the fish eye from the front, and if you are too deep, you will see the nail head
carat:
is a unit of diamond weight. One carat is equal to one hundred points (0.50ct is 50point), the weight is 0.2 grams, and the amount of weight of about 0.30, 0.50,1.00ct is usually more than 0.30, 0.50,1.00ct. Does 60 points look twice as large as 30 points, or twice the front of the two carat diamonds? This is wrong, because the diamond is cube, so the weight increases, and the proportion of its diameter increase is not the not.
the same. Clarks is only one of the main factors to measure the value of diamonds, rather than comprehensive one factor determines its value. It is also necessary to consider other factors to evaluate it together without losing
The professional and objective.
Clearness: The identification of all clarity is based on 10 times the bottom. Use the eyes of ordinary people to observe its characteristics, and the marks on the surface of the diamond are also contained inside the diamond. Determine the number, position, size, signs, and obvious degree of the two.
color: the grading of the white diamond color is from Defghij to XYZ. The color of DEF is the first choice for many people when choosing a diamond. R n Yes. G ~ J color range is the choice of price and actual needs. Generally, the naked eye viewing has been inlaid with well -established finished products. If it is not a very professional appraiser, it is not easy to separate the color. For example, although the color of F and G
is only one level, but the price is relatively large, so it is a more objective method to evaluate the diamond color with a relaxed and rational attitude.
First: To understand whether the merchant's reputation is good.
: I want to choose a legal merchant that has been slowly certified.
Third: Choose a business with good reputation.
: The detailed situation of diamonds.
Fifth: To recognize the certificate to ensure the quality of diamonds.
Is: The goods should be inspected on the spot when receiving the goods.
Choose a diamond ring, of course, the size of the diamond is the primary factor, but the cutting work also affects the price. You can tell him to show the appraisal certificate, but some professional things still have to see more. Category