Precious Stones The Big Five - Part 4 The Diamond
The diamond is generally regarded as the premier gem in the world of precious stones. Of all the precious stones the diamond has the simplest composition; it is merely crystallized carbon. The most common substance that is known, a substance that is present in every plant, animal and mineral on the earth. Diamonds come mostly from the mines in South Africa, but are also found in Brazil, India, Australia and even in the United States. The diamond is the hardest substance known, being #10 on the Mohl scale, despite it's hardness, the diamond is not indestructible; diamond will cut diamond; it can be burned in the air, being carbon and will leave behind carbon dioxide gas. The facets of a cut diamond can be worn away to some extent by the constant rubbing of clothing. The diamond is also brittle, and can fracture if struck against a hard surface. Diamonds have a wide range of color; most numerous are the whites, yellows, and browns in a great variety of shades; then come the greens; red stones of strong tints are very rare, as are also blue, which have been found almost exclusively in India; other tints of occasional occurrence are garnet, hyacinth, rose, peach-blossoms, lilac, cinnamon, and brown; black, rarities. Diamonds without tint or flaw are rare indeed and even most of the world's famous diamonds have imperfections. The origin of the diamond's name is the Greek word adamas, meaning unconquerable; from the same root spring our words adamant and adamantine. The origin of the diamond, according to classical mythology, was its formation by Jupiter, who transformed into stone a man, Diamond of Crete, for refusing to forget Jupiter after he had commanded all men to do so. The Facts About Diamonds A diamond's value is based on four criteria: color, cut, clarity, and carat. The clarity and color of a diamond usually are graded. However, scales are not uniform: a clarity grade of "slightly included" may represent a different grade on one grading system versus another, depending on the terms used in the scale. Make sure you know how a particular scale and grade represent the color or clarity of the diamond you're considering. A diamond can be described as "flawless" only if it has no visible surface or internal imperfections when viewed under 10-power magnification by a skilled diamond grader. As with other gems, diamond weight usually is stated in carats. Diamond weight may be described in decimal or fractional parts of a carat. If the weight is given in decimal parts of a carat, the figure should be accurate to the last decimal place. For example, ".30 carat" could represent a diamond that weighs between .295 - .304 carat. Some retailers describe diamond weight in fractions and use the fraction to represent a range of weights. For example, a diamond described as 1/2 carat could weigh between .47 - .54 carat. If diamond weight is stated as fractional parts of a carat, the retailer should disclose two things: that the weight is not exact, and the reasonable range of weight for each fraction or the weight tolerance being used. Some diamonds may be treated to improve their appearance in similar ways as other gemstones. Since these treatments improve the clarity of the diamond, some jewelers refer to them as clarity enhancement. One type of treatment - fracture filling - conceals cracks in diamonds by filling them with a foreign substance. This filling may not be permanent and jewelers should
tell you if the diamond you're considering has been fracture-filled. Another treatment - lasering - involves the use of a laser beam to improve the appearance of diamonds that have black inclusions or pots. A laser beam is aimed at the inclusion. Acid is then forced through a tiny tunnel made by the laser beam to remove the inclusion. Lasering is permanent and a laser-drilled stone does not require special care. While a laser-drilled diamond may appear as beautiful as a comparable untreated stone, it may not be as valuable. That's because an untreated stone of the same quality is rarer and therefore more valuable. Jewelers should tell you whether the diamond you're considering has been laser-drilled. Imitation diamonds, such as cubic zirconia, resemble diamonds in appearance but are much less costly. Certain laboratory created gemstones, such as lab-created moissanite, also resemble diamonds and may not be adequately detected by the instruments originally used to identify cubic zirconia. Ask your jeweler if he has the current testing equipment to distinguish between diamonds and other lab-created stones. Diamond jewelry: diamond rings, diamond earrings, diamond wedding rings, diamond wedding bands, diamond necklace, diamond watches, diamond pendants and diamond bracelets are some of the most sought after gemstone creations. Your eyes tell you how beautiful a piece of diamond jewelry is, but how do you know you are getting your money's worth? A little knowledge can go a long way to help you purchase a beautiful piece of diamond jewelry at a fair price. When shopping for diamond jewelry online, apply these tips. 1. Shop with companies you know or do some homework before buying to make sure a company is legitimate before doing business with it. 2. Take advantage of information and referrals from an Internet company you have come to trust. 3. Get the details about the product, as well as the merchant's refund and return policies, before you buy. 4. Look for an address to write to or a phone number to call if you have a question, a problem or need help. The diamond is the birthstone for the month of April. Sam Serio is an Internet Marketer, musician and a writer on the subject of jewelry and gemstones. For more information on jewelry and gemstones, we cordially invite you to visit http://www.morninglightjewelry.com to pick up your FREE copy of "How To Buy Jewelry And Gemstones Without Being Ripped Off." This concise, informative special report reveals almost everything you ever wanted to know about jewelry and gemstones, but were afraid to ask. Get your FREE report at http://www.morninglightjewelry.com
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Ref: http://www.sixties.gb.com
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