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Fine Jewelry University Articles matching: “ring semi mount”

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Fine Jewelry University (Show All FJU Articles)

  1. Frequently Asked Question about Jewelry

    … Laboratory describing a Loose Diamond. The laboratory will not issue certificates on Diamonds which are set in a mounting. A Diamond Certificate issues a “grade” indicating the physical properties of the Diamond “at the time of evaluation…assuming the Diamond does not chip or is not otherwise altered. An appraisal can be performed on a loose Diamond, a mounted stone, or jewelry. If the stone is not loose, the physical properties are estimated using various estimation …

  2. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    …these prongs can become worn down. If the prongs wear down too much, the stone becomes at risk of falling out of the mounting. Retipping is the process of adding a small amount of metal (usually gold or platinum) to the top of worn down … to adhere those molecules to the jewelry’s surface. Molecules are the key to understanding gold plating. The amount of gold used is on the molecular level. This means that only a very thin layer of gold covers the surface. Gold plating …

  3. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    … the violetish blue color pop (although technically speaking it doesn’t make it more blue, just less green). The amount of blue in a tanzanite is caused by the quantity of vanadium present. Raw, unheated tanzanite is sometimes marketed as… index of 1.69-1.70. History and Lore of Tanzanite Tanzanite was originally discovered in 1967 in Tanzania, near Mount Kilimanjaro, by a Maasai tribesman named Ali Juuyawatu, although the credit often goes to an Indian prospector named …

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

    Art Deco vs. Art Nouveau Style Jewelry

    … 19th century (1890 – 1910), Art Nouveau emerged as a rebellion against the academic art of the time. It sought to bring the natural world into artistic design, emphasizing flowing lines, asymmetrical forms, and motifs inspired by plants…New Art” and it impacted almost every artistic medium. Jewelry makers embraced materials such as enamel, horn, and semi-precious stones to create pieces that were not just adornments but works of art. Many Art Nouveau jewelry pieces were …

  5. The different parts of an engagement ring

    Anatomy of a Ring

    Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need … ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start … point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was sized looking at the shank with your naked eye. …

  6. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    … as their concentration, different colors will be present. Copper, manganese, chromium, and vanadium are the key coloring agents in tourmaline. Another unique facet of tourmaline is its ability to become electrically charged in certain … with opal, tourmaline is October’s birthstone. Care and Cleaning of Tourmaline Tourmaline makes a great gem in a ring for occasional wear or a pendant/earrings for daily wear. Because it isn’t exceptionally hard (Mohs hardness of 7-7.5…

  7. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    … place. At Arden Jewelers, our gemologists understand and appreciate the natural beauty of color gems, and we find mountings that accentuate this beauty to its full extent. You can browse our collection online or visit the store to see … was believed to guarantee a happy marriage Best known for its beautiful blue color, aquamarine was used to bring happiness, eternal youth, and control passion. In the body, aquamarine was thought to reduce swelling, prevent convulsions, …

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

    Gold, just the word brings to mind value, rarity, wealth, beauty and jewelry. But what is gold? Yes the scientists tell us gold is an element …Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant engagement rings to show the eternal affection of one person to another. Gold is an expression of love. Gold Purity Is all gold the …of jewelry is pure gold or solid gold or 24 karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in many forms. Basic to understand the uses of gold in jewelry is karat. Karat with a K is the purity of …

  9. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … shall see the living fire of the ruby, the glorious purple of the amethyst, the sea green of the emerald, all glittering together in an incredible mixture of light.” During the Middle Ages, opal gained an interesting reputation for … of illness, particularly the plague. In Arabian cultures, opal was considered a celestial gift that rained down during lightning storms and carried with it the magic of the heavens. Arguably the most famous opal of all time is “Aurora …