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Fine Jewelry University Articles matching: “Lab diamonds”

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Fine Jewelry University (Show All FJU Articles)

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

    …. White gold is available up to 21 karats. Most engagement rings are 14k or 18k. White gold is often used to enhance diamonds and other gemstones. White gold bridal jewelry is increasingly popular

  2. Platinum

    …white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. Platinum… inner truth. Platinum’s purity endows it with a brilliant white luster. This helps to reflect the true radiance of diamonds. In the United States platinum is usually marked: PT or PLAT. In Europe, platinum is identified by the following …

  3. The different parts of an engagement ring

    Anatomy of a Ring

    … two straight pieces of metal on either side of it (this style is most commonly seen with square or princess cut diamonds). As 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… various styles and thicknesses of cathedral arches. Some are sleek and plain, some are wider and covered in accent diamonds. The size and cut of the center stone also may vary, but when you see those arches of metal rising up toward the …

  4. Collection of loose and mounted quartz gems of various types

    Gem in the Spotlight: Quartz

    …more than its fair share of misnomers. One famous one is “Alaska Diamond” for rock crystal alongside “Herkimer Diamonds” (see below). In recent times, the term “Green Amethyst,” which was commonly used for Prasiolite, has come under fire. It … (yes you read that correctly) slab of natural clear quartz and is one of the largest clusters ever found. Herkimer diamonds are a famous type of quartz not for their rarity, but for their ability to pass for diamonds to the untrained eye. Of…

  5. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    … to put coatings on lenses for glasses and cameras. It is also one of the processes that is used to create lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic …if more orange). Smokey Topaz: Brownish grey color. Blue Topaz: The most common color. A full range of shades is available from light Sky Blue to dark London Blue. Topaz is also found in less commonly known colors like green, pink, and …

  6. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    … to stay in Tanzania for cutting and polishing, with the best pieces eventually showcased at the Tanzania National Museum. The Queen of Kilimanjaro tiara contains the largest faceted tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely loans it out for display at museums. Care and Cleaning of Tanzanite While tanzanite is stable and won’t be harmed …

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

    Gem in the Spotlight: Amethyst

    … or heat, as these can damage the gemstone. Prolonged UV/sun exposure can cause the color in amethyst to fade so keep that in mind when storing your amethyst jewelry. If you have an amethyst ring or other piece of jewelry with diamonds or other gemstones, you should be careful when cleaning it. You should use a soft brush to gently scrub the amethyst and avoid using ultrasonic cleaners, as these can damage the gemstone. Why Buy Amethyst There are many reasons why someone …

  8. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    … like splitting hairs, but it actually has a big impact on how gems are worn and what they can handle. We all know diamonds are the hardest gem commonly available on earth. If you scraped them together, a diamond would scratch a piece of jade… the years are chrysoprase, serpentine, maw sit sit, and hydrogrossular garnet. For a short amount of time, a few laboratories produced synthetic (lab-created) jadeite. This proved to be unprofitable and was quickly forgotten; however, a…

  9. Get more cash for your gold and jewelry from Arden Jewelers

    How to Sell Your Jewelry

    … the gem. On the other hand the gem could add zero to the value. The two critical factors are the gem itself and the condition. Some gems have a higher value then others. A natural ruby is worth many times more then a synthetic ruby. Diamonds are generally more valuable then amethysts. Knowing your gem’s grade and rarity will help with understanding its value. The condition of the gem is critical to the value. Some chips and abrasions can justify the repolishing cost. But …