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Fine Jewelry University Articles matching: “Jewelry cleaning machine”

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Fine Jewelry University (Show All FJU Articles)

  1. See the Star White Gold difference

    Star White Gold

    … eventually. Regular, Plus, or Premium? The White Gold Task Force statement on the plating of white gold reveals how jewelry manufacturers view rhodium plating: “The lack of an industry-accepted definition of white as applied to white gold … we have a solution! Why are white gold consumers dissatisfied? Because they don’t know what the true color of the jewelry is when they buy it. I have seen a yellow gold ring heavily plated to look white. This was a true 14 karat yellow gold…

  2. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … grams) and measuring 3 x 1.8 inches long. Its size and quality make it an exceptionally valuable gemstone. Care and Cleaning While opal’s enchanting colors may seem otherworldly, it is important to care for this delicate gemstone to maintain… index of 1.37 – 1.47 and a Mohs hardness of 5.5-6. This makes it one of the softest gemstones commonly used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: Diamond 10, Sapphire 9, Amethyst…

  3. A group of yellow gold chains of different kinds of a blue background

    Types of Necklace Chains

    …. CONS Cost – The tightly woven links use a bit more metal then some other chain styles of comparable thickness. Cleaning – Dirt can get inside the rounded design causing them to need a bit more frequent cleaning than other chain types. …The chain is one of the most fundamental pieces of jewelry that exists. It can simply be the thing you use to wear your pendants, or it can make a statement all by itself. You… we’ll introduce you to the staggering variety of necklace (and bracelet) chains that are available right now in the jewelry world. Each one has its own unique style, strengths, and weaknesses. As always, if you would like personalized …

  4. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    Iolite is maybe not the first gemstone people think of for their blue-violet jewelry, but it should be near the top of the list. Iolite’s color range of blue, blue-violet, and violet competes for …, if you ever need to find north, I would recommend a different approach. Just use the finger that your iolite jewelry is worn on to open the compass app on your smart phone. From there you can find both magnetic north and true north. I … than Opal, and softer than Emerald or Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in situations where it might be hit against hard objects to keep it free from cracks and small …

  5. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    …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 Throughout history, many people have claimed to have successfully synthesized …to create the first reproducible lab grown diamond. The diamond was tiny and nowhere near clear enough to be used in jewelry, but it was a start. As a side note here, we should mention that even today most of the man-made diamonds that are …

  6. Synthetic Gems: The Whole Story

    … are poorly made and can quickly be identified. Other synthetics are so well made it is impossible to id them in jewelry and can only be positively identified in gem labs with millions of dollars worth of equipment and world class personnel… are both very difficult to positively identify as synthetic. Both, I feel, are impossible to identify in a piece of jewelry. Synthetic ruby, sapphire, alexandrite and emerald are very complex because there are different ways to make them. …

  7. diamond brokering service in sacramento

    Diamond Brokering

    …: Locating the most reliable source with the best price Finding independent certified diamonds Locating correctly graded non-cert diamonds Finding the most beautiful diamond possible Arden Jewelers has over 20 years experience in the jewelry industry. The experience of buying and selling millions of dollars of diamonds helps us serve you. We are confident of our ability to serve and trust our fair method of finding the best value will make you happy with a beautiful …

  8. A pair of diamond stud earrings surrounded by different earring back options

    Styles of Earring Backs

    …your current earrings and are looking for alternatives. Or maybe you are simply interested in expanding your general jewelry knowledge. Keep reading; we have your answers. Friction Backs (Butterfly Backs) Also called “butterfly backs,” and … post has a notch so that the back actually snaps into place. PROS Availability – These backs are the go-to for many jewelry wearers. Security – They are a secure option, ideal for both stud earrings and dangle earrings. Ease of Use – They …

  9. Old mine cut diamond example

    The History of Diamond Cuts

    …to understand names instead of complicated industry jargon or marketing names. Our goal is to demystify diamonds and jewelry not add to the confusion. The Mazarin cut has 17 facets on the crown. Yet another name for this cut is the double-… round brilliant has. It has been and remains the most frequently chosen diamond cut for engagement rings and other jewelry. We hope you have enjoyed this exploration of diamond history. What’s your favorite old diamond cut? Let us know in …