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Category: diamonds

  • 46 Amethyst

    46 Amethyst
    Amethyst is a violet or purple variety of quartz often used as an ornament or jewelry. The name comes from the Greek A (not) and methuskein (“to intoxicate”), a reference to the belief that the stone protected its owner from drunkenness; the ancient Greeks and Romans wore amethyst and made drinking vessels of it in the belief that it would prevent intoxication.
    Amethyst was used as a gemstone by the ancient Egyptians and was largely employed in antiquity for intaglios. Beads of amethyst are found in Anglo-Saxon graves in England.
    Amethyst has been in use for thousands of years in magic, healing and psychic empowerment. Its violet color makes this one of the most sought after variety of quartz. It has a large number of qualities and uses that have been given it over the years and it is said to be a stone that radiates energy which has often been referred to as the purple ray. 
    It is referred to as a Spiritual Stone because its color violet is same as that of  the crown chakra. Amethysts also are believed to calm emotions and reduce stress. It’s an amulet for travelers, and helps whoever holds the stone to have a more optimistic outlook and perspective. Placing it under your pillow is supposed to help induce sleep and prophetic dreams.
    Some people use amethyst balls not so much for divination, but to channel knowledge and healing from the universe. It’s also used for healing in a variety of ways. If you merely hold it in your hand or keep it in your pocket, you can channel the healing powers of amethysts. Although a healing crystal doesn’t necessarily need to be amethyst, it’s one that’s often used for spiritual as well as physical healing.

  • 36 Ruby and Sapphire

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    Its hard to imagine that a mineral with a name as mundane as corundum yields gems as exquisite as the ruby and sapphire, or even that these two stones, so different in color and mystique, are actually the same mineral family.

    Lucky you if your birthstone is sapphire (September) or ruby (July). These are among the richest-colored of all gemstones with a romance and history as colorful as they are. Rubies are actually rarer than sapphires, and only red corundums are called rubies. Any other color is a sapphire. When grading colored stones, the density and hue of the color are part of the evaluation, and its the richest, deepest colors that are the most prized. In rubies, the most prized variant of color is called pigeons blood. Large gem quality rubies can be more valuable than comparably sized diamonds and are certainly rarer. There is a relative abundance of smaller, (1-3 carat,) blue sapphires compared to the scarcity of even small gem quality rubies, making even these smaller stones relatively high in value.

    Stones of Burmese origin generally command the highest prices. The vast majority of rubies are “native cut” in the country of origin. High value ruby rough is tightly controlled and rarely makes its way to custom cutters. Occasionally, such native stones are recut to custom proportions, albeit at a loss of weight and diameter. Custom cut and recut stones are usually more per carat.

    Sapphires exist in all the shades of blue from the deep blue of evening skies to the bright and deep blue of a clear and beautiful summer sky. Sapphires also come in many other colors, not only in the transparent grayish misty blue of far horizons, but also displaying the bright fireworks of sunset colors yellow, pink, orange and purple. So sapphires are really and truly heavenly stones, although they are being found in the hard soil of our so-called “blue planet.

    
     


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  • diamond certificates 444

    Diamond Certificates

    A diamond certificate is also known as a
    Diamond Grading Report. This report comes
    from the Gemological Institute of America
    (GIA), and you should require this report
    when you are purchasing a diamond.

    With a diamond certificate, you can verify
    the color, cut, carat, weight, and clarity of the
    diamond. You dont have to worry about a
    diamond dealer telling you anything less than
    the truth, because the certificate comes
    from the GIA not the dealer. You may be
    required to pay for the certificate, but the
    cost is usually low, and in many cases, it
    will help you negotiate a better price on the
    diamond or keep you from purchasing a
    lower quality diamond altogether.

    If you buy a high quality diamond, and then
    later decide to sell the diamond, you will
    need to have the certificate, or you will have
    a hard time selling it to someone else.
    Furthermore, you can use the Diamond
    Grading Report to look up the wholesale
    value of the diamond in question. Use the
    guide that is used by the diamond cutting
    industry.

    With the Certificate, or Diamond Grading
    Report, there wont be any doubts when you
    are trying to purchase a diamond. You can
    easily find out what the diamond is worth.
    This will prevent you from overpaying, and it
    can prevent a seller from under-charging as
    well.

    A copy of the Diamond Grading Report
    should be given to your insurance company
    as well, when you insure the diamond. This
    provides absolute, unquestionable proof of
    the value of the diamond should it be stolen
    in the future. Insurance companies cannot
    argue with the report.

    Avoid diamond dealers who seem reluctant
    to provide a certificate! Also avoid sellers
    who tell you that a certificate diamond will
    cost you more the only additional cost
    should be the cost of the certificate, which
    is low. If the dealer doesnt want to provide
    a certificate, then you dont want to do
    business with that dealer.

    Dont accept certificates from Gemological
    Laboratories other than GIA. There are many
    fly-by-night Gemological labs these days, but
    in the end, GIA has been established as the
    most respectable and trustworthy not to
    mention oldest of the lot. So avoid dealers
    who dont want to use GIA for certification
    purposes as well.

    Dont buy an expensive diamond without
    paying the extra cost of the certificate. If a
    dealer tries to convince you to make the
    purchase without the certificate, or if they
    want to use a company other than GIA, you
    can be sure that the dealer has probably
    greatly inflated the price of the diamond
    they have something that they are hiding
    from you.

    ()

    PPPPP

  • 16 Certified

    16 Certified diamond
    Diamond certification is essential when you’re buying a diamond and is different from a jeweler’s appraisal, although the certification is part of any appraisal. Many diamonds look the same, but not all of them are going to be of the quality you might like. Diamond certification is the written proof of a diamond’s attributes. Without it, you have no assurance that the diamond you are buying is of the quality you’re paying for. With it, you know the precise grading for each of the 4Cs – color, cut, clarity and carat weight, and, therefore, the diamond value.
    Certification gives you the information you need to assess a diamond’s value compared to other diamonds. It also allows you to make an intelligent comparison with other diamonds either in the same jewelry store or in another.
    Diamond certificates are issued by independent gemological laboratories, not your jeweler. There are several grading laboratories, the most prominent being: the International Gemological Institute (IGI); the Gemological Institute of America (GIA); the American Gem Society (AGS); the European Gemological Laboratories (EGL) and GemEx Systems.
    When you buy a diamond, be sure to question the sales associate first about the characteristics or attributes of the stone. Ask to see the diamond certification that will accompany the diamond when you purchase it. If you do some comparison shopping, you will note that the quality of the diamonds each jeweler carries varies depending on the store.
    A diamond certification will also give you indicators about other diamond qualities, such as fire, brilliance and scintillation, also called Return of Light. These qualities refer to how light is refracted back to the viewer when held stationary or when in motion. The certification will also give you a measure of the stones fluorescence. These factors also impact the beauty and brilliance of your diamond.

  • 5 Minerals unpopular

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    There are millions of minerals that exist on the earth, but few of them are prized as gems and used for adornment. Many of them arent in colors that are usually highly prized for jewelry. Or theyre not able to be cut and polished to be made wearable as jewelry.

    Often its a matter of changing taste and times. In Imperial Russia and in the Victorian era, the mineral malachite and other opaque minerals were highly valued as gemstones jewelry. It is often a by-product of copper mining, and is distinguished by a brilliant green color, with dark concentric circles of color swirling through it. Its not as highly valued because its easily available and not as expensive as an emerald or ruby. But there is an entire room devoted to malachite in the Russian museum, the Hermitage, as testament to its desirability among the most privileged class of people.

    There have been discoveries that indicate that malachite was mined in Egypt as early as 4,000 B.C. Its a soft gem, and easily carved and shaped. It polishes to a beautiful, rich sheen. But still is not highly prized in the U.S. as a gemstone.

    Very often some minerals simply shouldnt be used as gemstones, but because of their beauty, people wear them as such anyway. A moonstone is one such gem. Its relatively soft, with a rating of 6 on Mohs scale of mineral hardness, compared to a diamonds hardness rating of 10. Its a type of mineral called orthoclase, but when it exhibits a translucent, milky quality, its then called moonstone.

    Other minerals exist, but are simply not prized for gemstones. Among the more common minerals, quartz stands out as one that can be used for jewelry, as well as decorative items.

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  • 37 Hindu lore rubies

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    Rubies are a type of corundum, a rare mineral made up of densely packed aluminum and oxygen atoms, which are normally colorless. When other atoms are substituted for a few of the aluminum ones, bright hues emerge. Small amounts of chromium impart the deep red color of ruby, traces of titanium and iron produce the stunning blue of sapphire, and chromium and ferric iron create the delicate orange shades of the extremely rare and costly padparadscha.
    Rubies with their fiery hearts have inspired passion and legends throughout history. Rubies are even more rare than was once believed. Since chemical testing has become more common, it’s been discovered that many of the world’s most famous rubies are not rubies at all, but either garnet or spinel. While still beautiful, they don’t possess the hardness nor the rich depth of color found in true rubies.
    The color of rubies has given rise to numerous legends, associating the gemstone with courage, power, devotion, passion and love. In Hindu lore, rubies were believed to be the crystallized blood of the demon, Vala, whose body seeded all the mines of the world. When his body was divided, his blood fell over Sri Lanka and Burma, creating the rubies that can be mined from the ground. The sparkle and luminescence of rubies is said to be created by an inextinguishable fire in the heart of the stone. The fire is linked to the life of the person who wears it or owns it, and as long as the ruby burns bright, it is said, the person will enjoy good fortune and good health. So clear is this connection, according to some legends, that a ruby will darken in color if its wearer’s life is in danger. In healing, rubies are the gem of choice to cure diseases of the blood and the heart.

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  • how diamond prices are determined 440

    How Diamond Prices Are Determined

    Pricing most products is quite easy.
    Determine how much it costs to make the
    item, how much it costs to market that item,
    and then mark it up by 15 30% or more.
    Simple, right? Well, pricing diamonds isnt
    quite that simple. There are many factors
    that are considered when diamonds are
    priced.

    Diamond prices are determined first by
    adding the cost of the rough diamond, the
    cost of cutting the diamond, and all other
    costs necessary to turn the rough diamond
    into a marketable diamond. Depending on
    the importance of the diamond, an
    independent company may be called in to
    certify the grade of the diamond based on
    color, cut, clarity, and weight.

    At this point, the diamond becomes more
    expensive each time it changes hands, until
    it finally reaches a retailer, where the price is
    raised a bit more. Before reaching the
    retailer, however, the diamond must travel
    from the mine, to the cutter and polisher, to
    the independent grading company, and
    then to the Primary market. Once it has
    reached the primary market, it will be
    purchased by diamond dealers and
    wholesalers, and from there it will be sold
    to retailers.

    As you can see, the earlier you can purchase
    a diamond in the process, the lower the cost
    of the diamond will be but not the value.
    The value is based on what the diamond will
    sell for in the market place through a retailer.

    If you own a diamond, and you have no idea
    how much it is worth, you can have it
    appraised, but the appraisal may not be
    accurate. You will be better off obtaining a
    certificate through GIA Gemological Institute
    of America. With the information on this
    certificate, you can use a cutters guide to
    accurately determine what your diamond is
    worth.

    There are also many diamond price
    calculators available. These can be found
    on the Internet, and many diamond dealers
    use these as well. You must realize, however,
    that before you can accurately price a
    diamond, without a Diamond Grade Report,
    you need to know quite a bit about diamonds,
    such as different cuts, clarity, color, and weight
    and how each of those aspects adds to the
    value of a diamond, or decreases the value of
    the diamond as the case may be.

    Again, you will be better off if you get a
    Diamond Grading Report on the diamond,
    and use that information to look up the price
    in one of the guides that the diamond cutting
    industry uses. This will give you the most
    accurate value of the diamond in your
    possession, or of the diamond you are
    considering purchasing.

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  • 22 Blue Heart Diamond

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    There is a spectacular diamond in the Smithsonian Collection called the Blue Heart Diamond. Fans of the movie Titanic might think the Heart of the Ocean Diamond was based on this stone, and it may have been! However, this diamond hasnt been cast in the ocean, but is safe and sound at the Smithsonian!

    It has also been called the Eugenie Blue Diamond, although its uncertain that the Empress Eugenie ever owned this particular stone. It was cut in Paris between 1909 and 1910, but the stones origin Africa or India is unclear.

    It is an enormous heart-shaped, blue diamond weighing 30.82 carats. Its current setting is in a platinum ring, surrounded by white diamonds. It changed hands among famous jewelers such as Cartier and Van Cleef & Arpels – and owners until it was bought by Harry Winston in 1959 who mounted the diamond in its current ring setting. Winston sold the ring to Marjorie Merriweather Post. Mrs. Post donated the ring to the Smithsonian and it remains there with other famous blue diamonds, including the Hope Diamond and the Heart of Eternity Diamond.

    These famous blue diamonds have recently gone through a grading and examination process, to classify their colors and to determine the source of the color. The Hope Diamond is classified as Fancy Deep Grayish-Blue. The Heart of Eternity has been classified as a Fancy Vivid Blue. The Blue Heart Diamond has not yet been classified, but some experts categorize it as either Fancy Vivid Blue or Fancy Deep Blue. Blue diamonds are of particular interest to scientists not only because of the color and the impurities that create it, but because blue diamonds also have an electric conductive property that makes them unique among clear and other colored diamonds.
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  • 31 Diamond mines

    31 Diamond mines
    The very mention of diamond evokes fantasies of fabulous riches and dreams of love and power. Up to the Middle Ages they were so rare and expensive that only royalty could afford diamonds. But in modern times even ordinary people are able to possess a few, thanks to the discovery of numerous diamond deposits elsewhere on the planet plus high, albeit controlled, production.
    Diamonds were discovered in India by the 4th century BCE. In addition to the diamond legends, India yielded many legendary diamonds, including the Koh-i-Noor, the Orlov, the Hope, and the Sancy. Today the Majhgawan pipe, a primary source near Panna, is the India’s only producing diamond source.
    At one time, India appears to have been the only source of this valuable gem until about the early eighteenth century when diamonds were discovered in Borneo and later elsewhere, such as in South Africa and Russia. Although ancient Sanskrit texts mention several areas where diamonds were found, verifiable historical records are available for only a few deposits. Mining activities in southern India – which in its time was the leading producer of this gem and had yielded some of the most famous stones in history – gradually declined and had become defunct by the time diamonds were discovered elsewhere in the world.
    The 1867 discovery of diamonds in the Cape Colony, now a province in South Africa, changed forever the supply and marketing of diamonds. As annual world diamond production increased exponentially, a once extremely rare material became more accessible to Western society with its growing wealth, science learned that diamonds came from volcanoes, and everyone learned of Cecil John Rhodes, Barney Barnato, Kimberley, and De Beers. Today South Africa maintains its position as a major diamond producer. If not for the controlled production and distribution of the South African diamond mines, diamonds could have been easily devalued and lost much the mystique they hold for us today.

  • 49 Garnet

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     49 Garnet
    Garnets have been known and used in jewelry for thousands of years. Legend says that Noah used a garnet lantern to safely steer his Ark through the darkness of the night and the great flood. Garnets are found in jewelry from ancient Egyptian, Greek and Roman eras. Many courageous discoverers and travelers wore garnets for protection, as they were considered popular talismans and protective stones, because it was believed in those days that garnets illuminate the night and prevent their wearer from any sort of evil. Today science explained to us that the proverbial luminosity of garnet is caused by its high refraction of light.
    Although the color red is the one which occurs most frequently, there are also garnets showing different shades of green, pale to bright yellow, fiery orange and fine earth- and umbra-shades. Only blue is a color which is not available in garnet. Garnets are gemstones which are in high demand and are often worked into pieces of jewellery – especially since today not only the traditional gemstone colors red, blue and green are cherished by the consumer, but the intermediate shades and hues are also very popular. Garnets are unusual because their tone can change depending on whether theyre seen in natural or artificial light.
    Some of the alternately-colored garnets are very famous. Spessartine garnets are a bright orange to orange-red. These are extremely rare. There is a type of garnet called a Mandarine garnet which is also orange. It too is rare.
    There are even green garnets, even though one doesnt associate this color with garnet. The star among green garnets is rare demantoid. It shows enormous brilliance, higher even than that of diamond. Russias leading court jeweler Carl Faberg loved the brilliant green garnet from the Urals more than any other stone, and liked to use it in his creations.

     
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