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David Cowley's Articles

  • What to Look For When You Buy Diamond Jewelry
    The cut refers to the shape of the diamond, but involves much more than that. A skilled jeweler can cut a diamond in such a way so that light bounces off of it brilliantly, giving it the most sparkle possible. There can actually be a poor cut of a diamond which you may not be able to tell with the naked eye. The shape of it is the same on the top, but the diamond itself is too deep or too shall
  • What to Avoid When Buying a Diamond Engagement Ring
    Many fans of the popular television show "Sex and the City" remember the famous scene where Carries gets a secret glimpse of the diamond engagement ring her boyfriend purchased for her - and immediately throws up. While it may not be fair to expect a man to be able to read his intended fiance's mind when it comes to selecting a ring, there are some things he can keep in mind to help him make the
  • Facts About Rough Diamonds
    Before the late 1800s diamonds were found in riverbeds and traded to noblemen who recognize the value of this hard crystal and utilized the diamonds for armor studding in their breast plates. Later on kings and queens used the rough diamonds to adorn their crowns, tiaras and other jewelry. They were not as beautiful as polish stones however, they were still prized for their beauty and uniqueness
  • History Of Synthetic Diamonds
    Cut Glass was probably the first material used to simulate a diamond. It is readily available, easy to cut and polish and when seen from a distance, looks good. With all of the information available to today's consumer trying to pass cut glass off as a diamond rarely works. Cut glass is still seen in costume jewelry and in the movies today because of its extremely low cost. The use of cut glas
  • History Of Man Made Diamonds
    The experiment was successfully repeated by Ruffin in 1917 and again by Dr Willard Hershey in 1926. The diamond that was created by Dr Willard Hershey is on display in Kansas at the McPherson Museum. Despite the earlier success, the following experimenters had great difficulty in reproducing the required temperatures and pressures needed by the process and some of the experimenters even lost the
  • Diamonds And The Computer Industry
    Companies like the Gemesis, Apollo Diamond and others are producing quality diamonds and yet the price of the man-made or cultured diamonds are only about 15 percent less than mined diamonds. Gemesis and Apollo Diamond companies are using diamond jewelry business to finance their entry into the semiconductor industry, which is where the real money is.
  • World Famous Diamonds 5
    The Earth Star was found in the Jagersfontein Mine in 1967. It was cut from a raw stone of about 248.9 carats into a Pear shaped stone weighing 111.59 carats. At the time it was considered the largest faceted brown diamond in the world. This particular stone shows a degree of brilliance that is not usually found in gems with such a strong color. It was sold in 1983 to Stephen Zbova of Naples f
  • World Famous Diamonds 4
    Darya-I-Nur diamond is believed to be the largest pink diamond in the world. The stone is estimated to weigh somewhere between 175 and 195 carats, and it is a light pink color. Its exact weight isn't known because its been mounted in its brooch setting for over 130 years. This stone is one of the most celebrated diamonds in the Iranian Crown Jewels and it is also one of the oldest stones known
  • The 4C's Of Diamond Grading 101
    The Gemological Institute of America (GIA), the American Gem Society (AGS), and the International Gemological Institute (IGI) are the three most widely known and respected diamond grading laboratories in the world. Each of the grading laboratories have developed a very similar nomenclature for identifying the 4 C's of diamonds. The 4 C's stand for Carat, Color, Clarity, and Cut. We will also di
  • Facts About Man Made Diamonds
    De Beers started the very successful advertising campaign A Diamond Is Forever in 1947. The Advertising Age magazine has voted this to be the most recognizable advertising line of the twentieth century. This advertising campaign was designed to discourage diamonds owners from putting their old diamonds back into the market. The success of this campaign turned diamond into the symbol of eternal
  • Why Are Some Diamonds Colored
    The coloration of diamonds can be caused by several factors. Impurities trapped in the diamond during its formation, the crystal lattice structure of the diamond, and the exposure to radiation can all lead to the wide verity of colors available in diamonds.
  • World Famous Diamonds 1
    The first recorded history of the Agra Diamond in 1526 when Babur the first Mogul emperor was reported to have received the diamond from the family of the slain Raja of Agar. Many stories surround the diamond from the mid 1500 to 1891 including one story where a horse was forced to swallow the diamond so it could be smuggled out of India to England. None of the stories can be validated until 189
  • Facts About White Diamonds
    One thing that will remain a constant and that is that white diamonds are classic. The simple beauty of a white diamond is magnificent. There are so many jewelry possibilities that include the use of white diamonds. There are necklaces, bracelets, anklets, earrings, rings, and even toe rings and belly button rings. Nothing is off limits when displaying the sheer beauty of white diamonds.
  • Facts About Yellow Diamonds
    Yellow diamonds are colored because of the impurities that are trapped inside diamonds when they are created. If a few of the millions of carbon atoms have been replaced by nitrogen atoms, then structure of the diamond will not be significantly altered but the clarity will be changed. The amount of color displayed is dependent on the amount of nitrogen involved.
  • Facts About Pink Diamonds
    The pink diamonds comes in shades ranging from a pastel rose, such as the Pink Orchid to intense purple-reds of the Moussaieff Red, and the price is determined by the intensity of the color. Pink diamonds have sold for up to $1,000,000 a carat. Unlike the Type I diamonds that derived their color from impurities imbedded in the diamond, Pink diamonds are considered a Type II and get their color f
  • The Facts About Blue Diamonds
    When sunlight, which contains all colors, passes thought a diamond some of the light waves will be reflected by the nitrogen. The amount of color displayed is dependent on the amount of nitrogen involved. When we see color it is because the object we are looking at reflected a specific wavelength of the light spectrum. A good example of this is a pair of blue jeans. The jeans absorb all of the
  • Facts About Black Diamonds
    Approximately 600 tons of conventional diamonds have been mined, traded, polished since 1900. But not a single black diamond has been discovered in the world's mining fields. The geological settings where diamonds are found or mined are virtually identical with the one exception, the Black Diamond.
  • What Are Conflict Diamonds
    Diamonds known as conflict diamonds originate from the war zones of Africa. On December 1, 2000 the United Nations General Assembly unanimously adopted a resolution defining the role of conflict diamonds with the intent of cutting off the sources of funding for rebel forces and to help shorten the wars and prevent their recurrence.
  • The Truth About Diamonds
    Diamonds have a mystique about them. Television ads portray them as the ultimate gift of love. Magazine ads want us to believe that a diamond is the only perfect gift to express love. If you plan on purchasing a diamond because you like how it looks or if gives you or your love one pleasure then by all means enjoy. If you plan on purchasing diamonds for investment purposes only you will need to
  • How Are Diamonds Made
    When one of the tectonic plates was pushed under another the bodies of the microorganism, now carbon, is also buried under tons of rock. The carbon is subject to extreme pressures by the rock pressing down upon it and by extreme heat, which is usually between 1100, and 1400 degrees Celsius.
  • If You Have High Blood Pressure Lower Your Cholesterol
    If you have high blood pressure, in order to reduce your cholesterol level you should avoid or reduce the amount of red meat you consume and stay away from sausages and bacon. Avoid foods that contain saturated fats and if you are going to consume dairy products select products that are low in fat. Avoid using lard in your meals and if you are going to use oils select polyunsaturated oils or mon
  • Hypertension Also Known As The Silent Killer
    Your blood pressure level is basically determined by the quantity of blood your heart pumps and also by the level of resistance to blood flowing in the arteries. The larger the amounts of blood that the heart pumps as well as the narrower the arteries the higher the blood pressure will be.
  • Change Your Eating Habits For A Health Heart
    It’s very important to significantly reduce the amount of saturated fats and trans fats that you include in your diet. Reducing these types of fats is perhaps the best action you can take in order to lower your cholesterol level and decrease the chances of acquiring coronary artery disease. If you have too much cholesterol in your blood this can eventually lead to having too much plaque in the a
  • Using Aspirin For The Prevention Of A Heart Attack
    Aspirin is effective at preventing a person from having a heart attach by preventing clots from forming that can block the flow of blood to the heart. People who have already had an attack can usually be helped by using an aspirin therapy program and people who have not had an attack but are at high risk due to diabetes, high cholesterol and other factors can get some protection with an aspirin t
  • The Effects of Sodium and Blood Pressure
    Salt is constructed in such a way that it holds fluid. In very olden times, it was used as a preservative for meats before there was refrigeration, because it held the fluids of the meat in its natural state, not allowing it to be affected by outside air and contaminants.
  • Why Do We Never Hear About Low Blood Pressure
    Having low blood pressure may not be as dangerous as high blood pressure, but there are still several serious concerns for those with this condition. The often experience severe dizziness and lightheadedness, especially upon standing suddenly. They may also have chronic fainting spells. The lack of proper blood circulation can also cause nausea and cold or clammy skin, fatigue, and problems wit
  • Understanding Your High Blood Pressure Medications
    There are many causes of high blood pressure, from genetic predisposition to obesity to poor diet, and many other reasons. Some cases are not bad enough to warrant anything more than some suggestions from your doctor about lifestyle and diet choices, while other cases of high blood pressure are so dangerous that you need to be on medication to regulate it. If this is true in your case, here is s
  • Is There a Safe Use for Diuretics
    diuretics are sometimes prescribed by doctors to treat certain conditions, including high blood pressure. How do they work, and what should someone using them keep in mind for the long term?
  • Understanding Your Blood Pressure Medication
    Angiotensin is an enzyme in the body that causes the blood vessels to constrict. Sometimes this is necessary, but too much of this element will cause them to become too narrow, which will necessitate your heart working harder to pump your blood through. Often a body produces too much of this enzyme, probably through genetics or simply imperfection of the circulatory system. Many blood pressure
  • The Relationship Between Heart Disease And Kidney Disease
    The kidneys job is to filter the blood to remove carcinogens that we take in daily through the ingesting of out highly refined and processed foods. In addition it also removes excess fluid from the blood stream. The kidneys filter the waist products from the blood stream by using the natural pressure of the blood supply.
  • Side Effects Of Blood Pressure Medications
    All blood pressure medication should lower blood pressure but in addition they can produce some undesirable side effects. Medication alter basic body functions not only in the blood vessels but in the nervous system and kidneys as well. Because all of the systems in the body are interconnected even drugs that effect only one type of molecule in the body will produce some type of side effect.
  • Diseases Caused By High Blood Pressure
    A good starting point for normal blood pressure is 120/80. The first number represents the systolic pressure. This is the maximum pressure in your arteries that is created during the contraction of the left ventricle. The second number represents the diastolic blood pressure. The diastolic pressure is the measurement of the pressure in the arteries when the heart relaxes. Signs of high pressu
  • Anti Aging Supplement Cocktails
    The most effective anti aging supplements is the cocktail form of supplements that contain a number of different drugs and ingredients. These anti aging supplements attempt to correct all the factors that are contributing to the aging process within our bodies. Generations of grandmothers have prepared hot honey drinks and chicken soup to soothe sore throats, calm frayed nerves, ensure a good nig
  • The Best Hypoallergenic Anti-Aging Products
    And along with anti-aging, many people are concerned with hypoallergenic products and those that are made for sensitive skin as well. Regardless of how well any product performs and what it promises to do for your skin, if you're very sensitive to the ingredients and even allergic to them, you're just going to find that while you have fewer wrinkles, you have more breakouts and irritation as well
  • Anti-Aging Products That Can Turn Back the Clock
    The biggest threat to skin's vitality and good looks is the sun, along with things such as pollutants, cigarette smoke, and weather. The best anti-aging products will be those that protect the skin from these elements. This means a sun block for use in the morning and all day. If the products contain antioxidants, this is also beneficial.
  • How Do These Name Brand Skin Anti-Aging Products Work
    Is there really any difference between these name brand skin anti-aging products and those you might find at a mass market retailer or pharmacy? Are you only paying for the name on the box, or is there something more to it?
  • How Do Anti-Aging Creams Work
    When considering just how do anti-aging creams work, you need to compare the ingredients of each as some will do their promised job better than others, and the ingredients make all the difference in the world in this regard.
  • If You're Fighting Wrinkles, There is Hope
    Medical science is always applying itself to new solutions and new products every day, and not just for real medical issues either. Dermatologists study, not just acne and rashes and scars, but issues that have to do with aging. They are always coming up with new and improved products for those that are fighting wrinkles.
  • Anti-Aging Herbs
    If you're considering surgery, Botox injections, or some other extreme method in your battle against Mother Nature and Father Time, first consider using some of these anti-aging herbs. Many who have tried them report that they have gotten great results in the form of soft, smoother skin and more radiant glow to their face, the likes of which they haven't seen in years. Of course, not all anti-ag
  • Anti-Aging Fruits And Vegetables 101
    Those that are high in Vitamin C seem to be the best anti-aging fruits and vegetables. Vitamin C is a natural healer than boosts the body's immune system. Higher levels of Vitamin C have been linked to reduced risks of heart disease, heart attacks, strokes, high blood pressure, diabetes, and certain cancers in both men and women.
  • Combining Food For Anti Aging
    Food combination is the process of ingestion certain foods together while avoiding other food combinations altogether. This is not any type of diet where some foods are not eaten. It only means that certain combinations of foods are not eaten at the same time. The body takes different amount of time to digest different foods depending on the general type of food being eaten. For example, it is
  • Anti Aging Treatment
    The cause of the anti-aging treatment will depend largely on what type of treatment you need and if multiple treatments will be needed. For example; a surgical face peal, a procedure that removes the top layer of your skin from you face, will cost more that a chemical face peal. Using an exfoliate will cost less than a chemical face peal.
  • Anti Aging Juice Recipe
    Brightly colored fruits and vegetable usually have the best nutritional value. Flavonoids are the brightly colored pigments found in most fruits and vegetables. When consumed, they have antioxidant properties that have been associated with having good anti-aging properties.
  • Anti Aging Supplements
    Supplements containing DHEA (Dehydroepiandorsterone) is believed to slow down the aging process, increase your sex drive, and assists in removing fat from the body. DHEA is also being tested for its ability to prevent and fight certain types of cancer. Scientists believe that the human body production of DHEA peaks at around 25 years of age and by the age of 80 it has dropped to less that 10 per
  • Anti Aging Vitamins
    In simple terms, free radicals are molecules created during the normal process of metabolism that are considered unstable because they are missing an electron in their outer shells. These free radical molecules seem to attach most readily to electrons in fat molecules. As we get older the human body produces more and more of these free radicals and these molecules can damage the cells around the
  • Anti Aging Therapy For Skin And Hair
    Everyone has a genetic predisposition at to how they will age. Some people have a genetic predisposition that will cause their hair to turn gray in their early thirties while others will have a genetic predisposition to have a lot of wrinkles by the time they are fifty. Some aging will occur regardless of anti aging therapy and aging is a normal part of life but the trick is to age as gracefully
  • Sex And Anti Aging 101
    It is because sex is one of the most powerful motivator of human action known to science. For anyone that has studied Maslow's Hierarchy Of Needs know that sex is in the number one slot along with breathing and eating.
  • Anti Aging and Human Growth Hormone
    Dr. Daniel Rudman, M.D., of the Medical College Of Wisconsin conducted research on the effects of HGH in 1991. He concluded that HGH could reduce body fat, increase muscle tone, boost your energy level, reduce wrinkle, improve sleep, improve sex drive, improve the immune system, lower cholesterol levels, and improve memory.
  • Anti Aging Foods 101
    Anti-aging foods are known to give you better endurance, prolong your lifespan, obtain a better quality of sleep, feel vital and energetic, and they can promote a sense of calmness and well being. You get quite a few advantages when you consume anti-aging foods, and you should remember that anti-aging is not an illness in fact many healthcare professionals do not consider the aging process natura
  • Make Your Own Anti Aging Creams
    Anti aging skin care products fall into several categories, cleaning or exfoliating, moisturizing, and repair. If you have a favorite commercial product that you like then read the label on the jar and look for the active ingredients. You man not know what Hydroquinone is or what it does but with a little research in the internet you can find out that it is used to reduce age spots on the skin b

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