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Fine Jewelry University Articles matching: “Sapphire Sa”

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Fine Jewelry University (Show All FJU Articles)

  1. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    …, focused light beam. The benefit of the laser is that very little heat is generated at the weld point. This means the heat will not damage the surrounding area. The jewelry’s intricate design and gems which are heat sensitive are safe from the heat with a laser. What type of metals can be laser welded? All the traditional metals can be laser welded, including base metals, karat gold, sterling silver, palladium and platinum, offering a complete array of design, …

  2. Learn Secret Diamond Buying Skills From a Professional Diamond Buyer

    … a diamond’s weight but they all can be translated to a carat and its fractions. Find a system you like and make the salesperson convert the weight to fit your comfort zone. If you are looking for a ¾ carat diamond and they are talking …and other treatments must be disclosed. But you should ask just to make it clear. A treated diamond is almost like a salvage car. You may buy one but at a good discount and you want to know about it. Treated diamonds must be handled …

  3. A group of art deco and art nouveau rings together

    Art Deco vs. Art Nouveau Style Jewelry

    …. Precious metals like platinum and white gold alongside rare and valuable gemstones such as diamonds, emeralds, and sapphires, were the materials of choice for Art Deco jewelry makers. The most prevalent diamond cut found in Art Deco jewelry…, Art Nouveau jewelry intends to evoke emotions and narratives through its designs. Craftsmanship: Art Nouveau artisans prioritized craftsmanship and detail, often incorporating techniques like enameling, plique-à-jour (stained glass …

  4. Evaluating inherited estate jewelry can be tricky

    How to Value Inherited Jewelry

    …many people, is a “caveat emptor” or “buyer beware” area of life. How a small polished rock can be worth the same amount as a car or a house will never be understood by some people. A big reason for this is that evaluating jewelry and … of Jewelry Value The standard of value establishes the dollar value of a jewelry item based on a set guideline. The same item of jewelry can have at least four different dollar values. For example, an item of jewelry can be valued at $…

  5. Lab grown synthetic diamond Type IIa tester with diamond

    How to Tell If a Diamond Is Natural or Lab Grown

    …but we still want to be able to tell them apart. When it comes to diamond simulants like Cubic Zirconia (CZ) or Moissanite, it is easy to identify them because they aren’t diamonds. But, with lab grown diamonds, the chemical structure … products. Some even laser inscribe all of their diamonds to clearly mark them as lab grown. The Type IIa Test That said, we would still like to be able to tell if a diamond is natural or lab grown, whether it is disclosed or not. …

  6. The Difference Between White Gold and Platinum

    … it holds its shine longer. Platinum does not wear away. Like all precious metals, platinum scratches. However, the scratch on a platinum piece is merely a displacement of the metal and none of its volume is lost. Platinum achieves a satin finish and maintains it a lifetime. Another minor difference is the weight. Platinum is heavier (specific gravity: 21.4) than gold (specific gravity: 19.3). When you alloy white gold the difference is even greater. The difference on…

  7. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    …promotes long-lasting love, and prevents hearing difficulties. It was also a charm against the effects of anger and said to be a calming influence. Some promoted it as a cure for depression and mental instability. Garnets’ other cures …journey. The traveler is also protected against diseases and preserves their honor and health. All these powers were said to double for people born in January. The dark red garnet has long been associated with blood. Christian tradition…

  8. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … way it did before a gemstone fell out; who wouldn’t? That’s why we have literally 100s of carats of loose diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a replacement stone for …by the jeweler’s torch. However, with our laser welder we are able to retip prongs next to many gemstones (diamonds, sapphires, and rubies for example) without removing them, saving you time and money. Can my costume and fashion jewelry be …

  9. Jewelry solder is different than normal jewelry metals

    Jewelry Solder: What You Should Know

    …make up our jewelry are actually a mix of multiple different metals in different combinations called alloys. For the sake of simplicity, we will focus our discussion on gold jewelry, but the same concepts also apply to silver and … air and liquids that it comes in contact with. The result of this reaction is a new molecule that does not have the same color properties as the old one which leads to discoloration. Unlike pure gold, base metals are not nearly as …