Affichage des articles dont le libellé est Diamonds. Afficher tous les articles
Affichage des articles dont le libellé est Diamonds. Afficher tous les articles




The first synthetic diamonds were produced



by General Electric in 1954. A synthetic



diamond is basically a rock that has the



durability, refractive index and hardness of



a natural diamond – but it is made by man.



A synthetic diamond should not be



confused with stimulant diamonds, such as



glass, cubic zirconia, or moissanite.





Although the technology for synthetic



diamonds came into play in 1954, no



synthetic diamonds were ever seen on the



market until the 1990’s. This was due to the



fact that it took many years for General



Electric to produce a synthetic diamond that



could compare with the quality of a natural



diamond – and when they figured out how to



do it, they found that it cost more to produce



a synthetic diamond than it did to mine and



cut natural diamonds.





Finally, a small company by the name of



Gemesis Corporation figured out a way to



produce synthetic diamonds that were of the



same quality as natural diamonds, at a



cheaper price. Today, Gemesis produces



synthetic white diamonds, and colored



diamonds as well. These diamonds sell for



about 1/3 of the cost of a natural diamond,



but there is a shortage of them, and they are



hard to find. In fact, it seems that synthetic



diamonds are rarer than natural diamonds!



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Before you start shopping for diamonds,



consider dealing with a bonded jeweler.



Bonded jewelers sell bonded diamonds,



and there are very few bonded jewelers in



the world. In fact, out of all of the jeweler’s



in the world, only about 5% of them are



bonded. Buying a bonded diamond will



cost more than buying a non-bonded



diamond, but when you look at what you



get with the bonded option, you will see



that it is well worth the extra expense.





First, bonded diamonds have a buy back



policy for the life of the diamond. No matter



how long you have had the diamond, you can



take it back to the bonded jeweler and sell it



back to him or her, for a 100% refund. If a



jeweler does not offer a 100% buy back



guarantee, for the life of the diamond, then



you should take a closer look at the diamond



to see what is wrong with it.





Bonded diamonds also have a breakage



policy. If the stone breaks or chips, the



bonded jeweler will replace it with a new one



– one time. No jeweler would ever offer such



a policy on any stone that was not 100%



natural, so just the offer of such a policy



should give you piece of mind concerning



the quality of the diamond. Bonded



diamonds are natural and untreated.





Bonded diamonds increase in value, with a



fixed appreciation rate that is designed to



keep up with inflation. This means that a



diamond that is worth a certain amount of



money today will be worth more in the future,



as the price of diamonds continues to rise.



This generally does not apply to buy backs,



however. It typically applies to trade-ins.





Alternately, by purchasing a bonded



diamond, you are protected against the



possibility of a market crash. If a market



crash occurs, the value of diamonds will



drop. However, the bonded jeweler



guarantees to refund you the difference



between what the diamond is now worth



and what you paid for it before the market



crash.





It may be difficult to find a bonded jeweler in



your area, but if you can, this is who you



want to deal with, as opposed to dealing



with an un-bonded jeweler. Specifically tell



the jeweler that you are only interested in



bonded diamonds. You can find a bonded



jeweler in your area by using various online



resources, or by calling the local jewelry



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A dirty diamond is one of two things: a rough



diamond, or a diamond that hasn’t been



cleaned in a while. Rough diamonds are



uncut and unpolished – hence, they are dirty.



But that type of dirty diamond will soon be



cut and polished and sitting in a beautiful



jewel box in a display case. Then someone



will purchase it, and before long, it will



become a dirty diamond once again.





Diamonds become dirty. When you wash



your hands with a diamond ring on, soap



scum clings to it. When you put on hand



lotion, it gets grease on it. Shower with your



diamond earrings or necklace, and again,



you get soap scum. In one short day, your



brand new diamond could be dirty!





Purchase an ultrasonic jewelry cleaner the



same day that you purchase your diamond



jewelry, and use it every single day, without



fail. The clarity of the diamond changes



when the diamond is dirty – it loses its



sparkle. By taking one minute each day to



clean your diamond jewelry, you can avoid



this, and your diamonds will never be dirty!



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In their most natural form, diamonds are –



well – quite ugly. They have no luster or shine,



and in fact, look like nothing more than



broken glass. A diamond must be cut, and



then polished before it actually becomes a



thing of beauty.





Diamonds are cut with saws, into round



shapes. From the rounded shape, other



shapes may be cut, such as heart shapes



– but the shape is less important than the



quality of the cutting that is being done. If



the diamond is poorly cut, it will lose light,



and it will not sparkle and shine very well.



Each facet of the diamond must be



carefully cut into the geometrical shapes



that allow the diamond to sparkle and



shine, then the entire diamond is cut into



a specific shape, such as an emerald cut



or a princess cut diamond.





Once the cut is done, the diamond is put into



a dop, which resembles a cup with another



diamond – only a diamond is strong enough



to smooth the edges of another diamond.



Once the diamond has been cut and shaped,



and had the edges smoothed in the dop, it is



polished on a scaif or a diamond polishing



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Insuring a diamond takes a bit of thought,



planning, and shopping around. Diamond



insurance isn’t like purchasing car insurance.



It is quite different. Depending on the state



that you live in, there are basically three



different types of policies that will cover



diamonds, and all insurance policies that



cover diamonds are considered Marine



type policies.





The first type of insurance policies for



diamonds is an Actual Cash Value policy.



If the diamond is lost or damaged beyond



repair, the insurance company will replace



the diamond at today’s market value, no



matter how much you paid for the diamond



to begin with. This type of insurance policy



for diamonds actually is not that common.





The most common type of insurance for



diamonds is Replacement Value insurance.



The insurance company will only pay up to a



fixed amount to replace the diamond that was



lost or damaged beyond repair. This does not



mean that they will pay that amount – it means



that they will pay up to that amount. In most



cases, the diamond can be replaced at a



lower cost.





The third type of coverage offered for



diamonds is Agreed Value. This is



sometimes called ‘Valued At.’ This type of



coverage is very rare. In the event that the



diamond is lost or damaged beyond repair,



the insurance company simply pays you the



amount that you and the company agreed



upon. This is the best type of insurance to



have, but it is rarely offered. If you can’t get



Agreed Value coverage, Actual Cash Value



coverage should be your next choice.





Your rates will be determined by the value of



the diamond, the type of coverage that you



select, and the area that you live in. If you live



in an area with a high crime rate, you can



expect to pay more for your diamond



insurance coverage. It is important to



remember that insurance agents are not



qualified jewelers, and jewelers are not



qualified insurance agents. It is best to get



a certificate for your diamond, and to



provide the insurance company with a copy



of that certificate. This leaves the insurance



company less room for arguments over the



actual value of the diamond.





Don’t rely on separate coverage to cover



your diamond. For instance, if you diamond



is stolen from your home, it is probably



covered on your home owner’s insurance



policy – but the diamond probably won’t



always be in your home, and once it leaves



your home, there is no coverage.



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Diamonds are graded for certification by



laboratories using grading criteria. Four of



these criteria are critical to understand when



making a diamond purchase or investment.



Known as the “Four C’s” these criteria are:



color, cut, clarity and carat.





Color is the result of the composition of a



diamond and it does not change. When a



jeweler is describing the color of a diamond



they are referring to the presence or absence



of color in white diamonds. Because a



diamond with no color allows maximum light



to pass through, colorless diamonds are



preferred for their sparkle.





Cut refers to a diamonds reflective quality.



Most diamonds are cut with 58 facets. The



brilliance of diamonds is heavily dependent



on the cut. The different angles and the finish



of a diamond determine its ability to reflect



light and cause its brilliance and fire.



Remember that the cut of a diamond can



have an impact on its durability as well as its



beauty. Some cutting faults can make a



diamond prone to breakage. A diamond



that is cut too thin can also cause light to



leak out of the back and the diamond will



lose some of the sparkle and appear not



to shine. So, as you can see the Cut is



probably the most important of the Four C’s.





During the formation process, inner flaws, or



inclusions occur in most diamonds. The



number and size of these inclusions



determine what is referred to as the clarity



of a diamond. Diamonds that are clear



create more brilliance and therefore are rarer



and highly priced. To be considered



“flawless”, a diamond must have no surface



or internal imperfections visible upon being



viewed by a skilled diamond grader using



10 power magnifications.





Carat is the unit of weight by which diamonds



are measured. One carat is equal to 200



milligrams. A carat is divided into 100



segments called points. 150 points would



equal one and a half carats.





When you go to the store to make that all



important diamond purchase, do not be shy!



Ask questions, get the answers needed to



make an informed purchase. Shopping for



certified diamonds enables you to make an



informed selection. Knowing the “four C’s”



allows you to comparison shop and purchase



the best diamond at a fair price. But, before



making a purchase, shop around and decide



what shapes and styles really appeal to you.



Enjoy your diamond for years to come!



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Clarity is an important aspect of a diamond,



and it is important to know how to grade the



clarity of a diamond before you buy one. It is



actually quite easy to learn how to grade the



clarity of a diamond. There are basically two



things that you must understand: Diamonds



with visual inclusions and blemishes, and



those that are ‘eye clean’ meaning that there



are no inclusions or blemishes that can be



seen with the naked eye. From there, the



clarity of a diamond is further broken down



into subcategories.





Many people mistakenly think that diamond



clarity refers to how clear it is. This isn’t so.



Clarity actually refers to the internal and



external imperfections of the diamond. The



best diamonds, of course get a grade of FL



or IF – Flawless or Internally Flawless –



meaning that it is perfect. A grade of I-1, I-2



or I-3 means that the diamond is imperfect,



with a grade of I-3 being the worst.





Other grades are VVS1 and VVS2, which



means that the diamond is very, very slightly



imperfect; VS1 and VS2, meaning the



diamond is very slightly imperfect; SI-1 and



SI-2, which means that the diamond is



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