Identification certificate on the diamond in the price gap

Friends, if you do not have high quality and low price for a large number of diamonds "pay", then, diamond appraisal certificate from a friend in to see prices, including many professional diamond appraisers, I am afraid that a moment is not clear inside the diamond certificate of authenticity is one word: "money"! For the overwhelming majority of consumers, on the diamond cut is "money" knowledge is still in the "blind spot." First briefly describe the type of diamond certificate of authenticity. Diamond appraisal certificate is divided into two categories. One is the domestic certificate, one is the foreign certificate. There are internal certificate "National Gemstone Testing Center," the "country clearance", as well as a certified local jewelry appraisal professional organizations, for example, in Shanghai's oldest and most authoritative professional academic achievements are "Shanghai Bao, Jewellery & Gem Testing Center in the" etc.; One is foreign certificate, referred to as "international certificate." Foreign jewelry industry recognized certificate of "America's AGS", the AGS issued only the most perfect cut diamond appraisal certificate, with the price of diamonds certified diamonds, diamond grade than the more expensive with many, at home, little Circulation. Comparison of domestic jewelry industry recognition of foreign certificates of "Gemological Institute of America in the GIA", "Belgian Diamond level councils HRD", "European Gemological Institute of Laboratory EGL" and the "Belgian Gemological Institute of Laboratory IGI" . diamond diamond.yifei8.net
Then, the diamond certificate of authenticity in the "money" in there?
Even if you are completely amateur, you just recognize the word, you can see the diamond certificate of authenticity in the "money" involved. If you are a layman, we recommend you buy a diamond certificate issued by foreign countries, of which, it is better off the U.S. election GIA, followed by Belgium's HRD, and then followed by the European EGL, then followed by the Belgian IGI.
If you choose off the U.S. GIA Diamond Grading Certificate, weight, color, clarity offer international unity, unity in the international offer, many jewelers do not attach importance to professional ethics in the transmission of the disease play on the evaluation of the cut. For example: You buy a 1.00 kt, color H, clarity is the bare diamond VS1, the current offer is 6,500 dollars in the international one carat, if the color, clarity, subject to the same weight, GIA cut three major rating: First, symmetry, and second, polishing degree, third overall rating. diamond diamond.yifei8.net
If the GIA certificates for the three rating cut is: "GOOD = good", then the price of the diamond is not 6500 dollars, but even 4800 dollars cheaper; if the cut GIA certificate of authenticity assessment is: "GOOD TO VERY GOOD = good to very good", then the price of the diamond is not 6500 dollars, but about 5330 dollars; If the GIA certificate of authenticity Evaluation of the three cut are: "VERY GOOD = good", then the price of the diamond is not 6500 dollars, but around 5900 dollars, only three rating cut is "EXCELLENT = perfect The excellent ", the price is 6500 dollars or even more than 6500 dollars.
In other words: the same level as the weight of one carat diamond, cut is not the same as the price difference between the 1000-2000 dollars Why then? For example perhaps more telling: If you buy a bare 1.00 kt diamond color is H, clarity is VS1, if the cut evaluation is GOOD, look at the diameter and height of the diamond is 6.18-6.22 X4.11 mm, then the diamond is actually accompanied by dubbed the "chimney, Diamond," about as long as two karats of rough diamonds can be processed; If you buy a diamond cut evaluation of the three "EXCELLENT = Excellent Perfect "and look at the diameter and height is 6.48-6.50 X3.92 mm, congratulations: You buy the perfect diamond, because you bought the diamond may need to complete the 4-5 carat rough .
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Jewelers around the world know that the most perfect cut diamond, if the price is ridiculously low, 100% sure you buy the cheap diamonds have a major flaw. A friend of mine to refute me, and come up with a buy in South Africa, 1.00-carat diamond appraisal certificate is Interestingly, like the matchbox size of South Africa's certificate, a letter color is H, clarity is VS1, cut evaluation is VERY GOOD. He asked me to guess how much money can buy, I look closely, the evaluation according to GIA standards, clear yellowish color of the diamond, I used the GIA's color comparison I found the diamond of I color than the GIA also Wong Many, determine its color is J color, clarity is typical of Si1, diamond diameter is 6.15-6.18MM, cut evaluation can only be GOOD. So I told a friend, this is a typical "chimney pipe diamonds", if you bought the diamond certificate of full compliance with your standards, then the price is about 5900 dollars, according to my conclusions, the price should be 3000 - between 3500 dollars. Recommends that you compare to the national accreditation bodies recheck what authority, and then determine the price. Results recheck the same conclusion and I do, but a friend bought the price is indeed very "cheap": 4800 dollars. My friend suddenly dumbfounded.

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