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Fine Jewelry University Articles matching: “14 karrot silver ring”

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Fine Jewelry University (Show All FJU Articles)

  1. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    …. The Nickel is what makes the gold white, but it can also cause an allergic reaction. Some people are allergic to silver and we have even known someone to be allergic to pure gold (yes, it’s possible ). Determining the exact cause and …it. This isn’t an allergic reaction but a simple discoloration on top of the skin from the metal. Also, tarnish from silver jewelry can rub off and leave a blackish residue. In both cases, the color will easily wipe or wash off. You can …

  2. Measuring Gold Weight

    … of drugs, precious metals and gemstones. The name comes from the French city of Troyes. The noble metals (gold, silver and platinum) all use the troy system. A troy ounce is 20 pennyweights. The pennyweight was the weight of a silver penny…

  3. Jewelry solder is different than normal jewelry metals

    Jewelry Solder: What You Should Know

    …. For the sake of simplicity, we will focus our discussion on gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the …, and the chlorine reacted with the base metal alloys in the solder but not with the more noble (tarnish resistant) silver alloys in the rest of the ring. This caused all of the solder to discolor and become visible. After a few days or …

  4. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    …, we mix pure gold with other metals to create different alloys that have different colors and properties. Because silver is naturally a white metal, many people believe it is mixed with pure gold to create white gold. In truth, even a high…content will not result in a white gold alloy. Silver is actually used in 14k yellow gold and a higher percentage of silver is often used to make green gold. So if it isn’t silver, what metal do they use? Most commonly, nickle is used to …

  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. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    … even costume jewelry that was unrepairable just a few years ago. Jewelers used to discourage people with sterling silver and CZ pieces that broke from doing repair work. Now they can be done. The laser gives us the ability to fix jewelry … 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, redesigns and repair options. Platinum traditionally is …

  7. The Difference Between White Gold and Platinum

    … that make them unique. How is white gold made? White gold is an alloy of gold and some white metals such as silver, nickel or palladium. The white color is achieved by a careful choice of the alloying metals, which bleach the deep yellow …, then don’t buy it. New white gold rings are usually coated with a hard protective finish of rhodium, a silver-white metal like platinum. The rhodium plating is used to make the white gold look more white. The Rhodium is very white and …

  8. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    … different colors when observed at different angles, especially with polarized light. Pleochroism is caused by differing absorption of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. … 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 chips. Iolite is a …

  9. How to Sell Jewelry on eBay and Other Websites

    …much less because they buy them so cheap. Unfortunately, they may be your biggest competition when selling online. Don’t be discouraged if it does not sell the first time. The timing may not be right. I know of people who put the same ring up a dozen times before it sells. Patience is needed with online sales, but remember to add this into the price you want for the jewelry. Fraud should be next on your mind when try to sell your jewelry for cash online Be very wary of …