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Fine Jewelry University Articles matching: “Stamp scratched off”

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Fine Jewelry University (Show All FJU Articles)

  1. A pile of scrap yellow gold jewelry

    Gold Purity and The Differences Between White and Yellow Gold

    … is a 14 karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. In most engagement rings the stamp in the ring is 14k or sometimes 585. Both of those stamps mean the wedding ring is 14 karat gold. So the only pure … non gold metal. Some plated jewelry has markings that look like real solid gold. For example, a plated piece can be stamped: 14k HGE or 18k GE. HGE means hydrostatic gold electroplating. Plated gold is measured in how many molecules of …

  2. A single platinum wedding band

    Platinum

    … wear it while handling strong acids. Store it in a fabric-lined box away from other pieces so that it does not get scratched. If required, it should be polished once in awhile by the local jeweler to restore its new look. However, despite its…your platinum jewelry separately and with care, not allowing pieces to touch each other because even platinum can be scratched. Signs of wear such as scratches can eventually appear on platinum. However, due to the metal’s durability there is …

  3. A White Gold band next to a Platinum band

    The Difference Between White Gold and Platinum

    … by a careful choice of the alloying metals, which bleach the deep yellow of pure gold. Alloying also effects the second issue. Both pure gold and pure platinum are soft metals. In fact both 24 karat gold and .999 platinum can be scratched and dented with a fingernail. Nether gold or platinum in their pure state will hold a shine for long. All white gold jewelry and most platinum jewelry are alloyed. The alloying is also a hardening process for both metals. The hardeners …

  4. The different parts of an engagement ring

    Anatomy of a Ring

    … you may have guessed, all styles of head can wear thin over time and may need to be built up by a jeweler. When you are shopping, pay close attention to how the main diamond or gemstone is set. What style of head is used? What trade-offs are being made between security, design, and how much of the stone is visible? As a final point on heads it is important to note that not all rings have a head. Some designs incorporate the setting of the gemstone directly into the …

  5. See the Star White Gold difference

    Star White Gold

    …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 yellowish to … of alloys does not require rhodium plating. They have been color tested by the American Assay & Gemological Office, a division of BAO Technical Services Ltd., the most authoritative testing source in the world. All of the Star White…

  6. Purple peace sign

    How to Sell Jewelry on Craigslist and Facebook Marketplace

    … someone along to look at the whole situation, they may be able to pick that up in time to help you not get ripped off. Fraud should be next on your mind when selling jewelry through online classifieds Cash is usually the best payment … isn’t something you want to do, come by Arden Jewelers for a free value appraisal of your jewelry. If you like our offer, you can get cash on the spot for your gold and jewelry. Our gemologist buyers are friendly and professional, and …

  7. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    …, and other more popular gems. For only the 3rd time in the last one hundred years, the industry is modifying the official birthstone list. Spinel will be joining peridot as the August birthstone! This change was officially made in 2016…

  8. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    …silicon inclusions are sometimes observed. These are the result of silica windows in the growth chamber being etched off by the ionized gases and introduced into the diamond as it forms.  With HPHT diamonds, it is very difficult to …come in. At Arden Jewelers we require each lab grown diamond supplier to send us a sample of their product before we offer it to the public. Our gemologists use their extensive training and our in-house gem lab to evaluate every aspect …

  9. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    …clear piece of laboratory grown quartz (the same material that is commonly used for watch crystals). This helps show off the opal’s beauty while keeping it safe and strong. Doublets and triplets are much less expensive than other forms … cultures for centuries. In ancient Greece, opal was regarded as a stone of foresight and prophecy, believed to offer its wearer a glimpse into the future. The Romans, on the other hand, saw opal as a symbol of hope and purity, …

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