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Fine Jewelry University Articles matching: “Green gem”

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Fine Jewelry University (Show All FJU Articles)

  1. 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 …

  2. Peridot is a bright yellow-green gemstone

    Gem in the Spotlight: Peridot

    Peridot is a lovely yellow-green gem with a rich history. Legend has it that Peridot was the favorite gemstone of Cleopatra. The ancients called it the “gem of the sun”. It was believed that peridot could chase away evil spirits and dissolve curses but only when set in …

  3. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    … Tsavorite has all of the qualities you want in a gemstone: beauty, rarity, intrinsic value, and romance. With its natural, fresh green color in a variety of shades and scintillating brilliance, Tsavorite is one of the most beautiful green gemstones in the world. It is a garnet so it is traditionally used for January’s birthstone. But, you don’t have to be born in January to enjoy such a wonderful gemstone. Its brilliance and vivacity can only truly be appreciated in person…

  4. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    … been considered a royal color, so it is not surprising that amethyst has been in so much demand throughout history. Gemology Amethyst is a variety of quartz that is colored by the presence iron and aluminum. The violet color of amethyst… as hard as tourmaline, softer than sapphire and topaz, and harder than opal and tanzanite. This makes it a durable gemstone that is resistant to scratching and chipping. It is also resistant to heat and chemicals which means that it can…

  5. The 4 Cs of Diamonds

    Diamond Buying Guide: The 4 C’s

    If you understand how diamonds are graded, you have a better chance of finding the right one for you. At Arden Jewelers, our gemologists are more than happy to answer any questions you have so please feel free to visit us anytime. Carat Weight Diamonds are small, so the scale that is used to describe diamond weights uses very small units. A carat equals 1/5 of …

  6. 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 undertaking, and we want to … grown diamond is. Of course, you don’t have to tell anyone you bought a lab grown diamond (and even experienced gemologists might not be able to tell). But, due to that misinformation we talked about earlier, most people don’t know what…. P. S. If you are considering a lab grown diamond, be sure to checkout Balance , our own collection of unique engagement rings made exclusively with

  7. Strand of pearls

    How to Clean Pearl Jewelry

    … symbols of purity and chastity. But even symbols of purity get dirty from time to time. As you know pearls are produced when a mollusk secretes nacre to form a covering around a foreign body in its shell. Pearls are not as durable as gemstones produced by the heaving pressure beneath the earth’s surface. Therefore special attention should be used when cleaning them. Pearls should be the last thing that you put on and the first thing that you take off. Common personal …

  8. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    … 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 … so making artificial carbon crystal was the problem of lab grown diamonds. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to …

  9. Three loose rubies in a row triangle oval and pear shaped

    Gem in the Spotlight: Ruby

    For much of human history, rubies have been the most prized gemstone. But, what is it about this red gem that has captivated our hearts and minds for so long? Is it ruby’s color? … deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. Corundum is an extremely durable form … too pink, they are called purple sapphires or pink sapphires, respectively. Since sapphires and rubies are the same gem material, they also share a refractive index of 1.762-1.770 and a specific gravity of 4.00. A unique optical …