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Fine Jewelry University Articles matching: “Simon g”

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Fine Jewelry University (Show All FJU Articles)

  1. The Difference Between White Gold and Platinum

    The first difference between white gold and platinum is the most basic and is the foundation of all the other differences. White gold and platinum are … is itself a white metal. White gold and platinum have their own properties that make them unique. How is white gold made? White gold is an alloy of gold and some white metals such as silver, nickel or palladium. The white color is … a careful choice of the alloying metals, which bleach the deep yellow of pure gold. The amount of alloy mixed with gold is called its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold…

  2. Synthetic Gems: The Whole Story

    Ruby, sapphire, emerald and alexandrite are very beautiful gems and very rare in their stunning beauty. These four gems have been coveted by rulers and the rich for thousands of… if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify the price. Just a one carat gem could cost $3,000… ring where people can spend over $10,000 routinely. The answer was to find a less expensive way to have these gems. It took over a hundred years and millions of dollars of research to create what nature can produce. Man made gems come…

  3. Measuring Gold Weight

    The old riddle goes: what weighs more a pound of feathers or a pound of gold? Some say gold because it is heavier. Others say they … a pound so they weigh the same. Both are wrong. How can this be? Tradition. Gold is not weighed in the ordinary weights. Gold is weighed in the troy measurement system. One ounce of gold is not the same as the ordinary ounce (really …both to a uniform system. A gram or gramme is a standard metric unit of mass. An avoirdupois ounce converts to 28.34 grams approximately. The troy ounce is 31.1 approximately. You say, “Aha! Gold weigh more, so a pound of gold weighs …

  4. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    The discovery of Tsavorite in East Africa in the 1960s changed the jewelry world. Here was a gem with the color to rival the most exquisite emeralds and the clarity of the …, all with the time tested durability of garnet. Tsavorite is a unique form of garnet with a stunningly vivid green color. It is bright and lively with a high refractive index giving it excellent sparkle and scintillation. Tsavorite is… are below two carats. By some estimates, Tsavorite is around 200 times rarer than the much better known Emerald. Gemology Tsavorite’s rarity and beautiful green color reminds one of the other green garnet called Demantoid. Demantoid, …

  5. Rough lab grown man made diamonds

    Is a Lab Grown Diamond Right for Me?

    Picking a diamond for your engagement ring is a big decision. For most of us, buying a diamond is a significant financial … takes a lot of specialized knowledge that most people don’t have (anyone remember their refractive indexes from high school physics?). Even more unfortunately, the diamond industry suffers from a lot of misinformation and paranoia … are conflict diamonds (both wild falsehoods). On the other hand, I have heard some in the industry refer to lab grown diamonds as fakes (also completely false). We’re here to help cut through some of the rhetoric, so you can make an …

  6. Gold Purity and The Differences Between White and Yellow Gold

    Gold, just the word brings to mind value, rarity, wealth, beauty and jewelry. But what is gold? Yes the scientists … is a rare yellow mineral that is the most malleable and pliable of all metals. Yes, but what does that mean to me? Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant engagement … to another. Gold is an expression of love. Gold Purity Is all gold the same? We hear a piece of jewelry is pure gold or solid gold or 24 karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in many …

  7. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    The dream of making a beautiful and valuable diamond from simple carbon has long captivated the imagination of scientists and … to turn lead into gold, many have tried to achieve this impressive feat. We have only recently been able to produce gem quality, lab grown diamonds that are large enough to be used in jewelry. But, how is it done? Early Efforts …Moissan was one of the early pioneers in the field. In 1893, he claimed to have successfully made a diamond by heating charcoal to 3,500 degrees Celsius inside a carbon crucible. Many attempts were made to reproduce his techniques with…

  8. See the Star White Gold difference

    Star White Gold

    How white is your white gold? Style, fashion, and beauty are all reasons to choose white gold. White gold compliments diamonds. White gold is … gold has a pure reflexive look. White gold is white…or is it? White gold can be compared with gasoline. There are generally three grades of gasoline, regular (really the lowest), mid grade, and premium. In addition, not all gas is …. We have all had the experience of poor performance due to poorly made gas. White gold also has three grades. Grade 3 is off white, grade 2 is standard, and grade 1 is premium. This means that when white gold is made, it can be …

  9. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    Garnet’s rich history and varieties demonstrate garnets are more than the little red gem. Garnets allow for great … to become a garnet fan. Garnet is January’s birth stone. January babies born in the midst of cold, white (valley fog) and at times stark surroundings are rewarded with one of the most varying birth gemstones…Garnet. Garnet’s pizzazz… the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets are given as symbols of consistency, …