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Fine Jewelry University Articles matching: “14kgwr stamped inside a ring”

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Fine Jewelry University (Show All FJU Articles)

  1. Collection of many different styles of jewelry clasps laid out together

    Types of Jewelry Clasps

    …production of jewelry, and the demand for simpler, more affordable clasps grew. This led to the development of the spring ring clasp, which is still widely used today. The spring ring clasp features a small, spring-loaded mechanism that …. Other types of jewelry clasps that emerged in the 20th century include the lobster clasp, which features a spring-loaded mechanism that opens and closes by pressing a small lever, and the toggle clasp, which consists of a bar that …

  2. Old mine cut diamond example

    The History of Diamond Cuts

    … experience to get the job done right. The point cut diamond is likely where the tradition of the diamond engagement ring began. Mary of Burgundy became the first to receive a diamond engagement ring. Archduke Maximilian of Austria gave … the show straight up. Instead, they show it in a dome effect. The Modern Round Brilliant Cut Now, we are nearing the end of our journey through the history of diamond cuts. The modern round brilliant cut is a product of math and science…

  3. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    …this gem as blue zoisite. The vast majority (current estimates are around 95%) of tanzanite is heat treated to help bring out the vibrant blues. The stones that haven’t been heated by humans were heated through natural effects while they … Manuel de Sousa who Ali showed the stones to. Manuel had originally thought he found sapphires, but after discovering they were too soft, he started searching for answers as to what these gems could have been. They went to MIT geologists…

  4. Caring for and Cleaning Your Jewelry

    … ways to prevent your jewelry from being damaged is to remove it when you do certain activities. Always remove your rings when you garden, do the dishes, or generally work with your hands. Make sure to put your jewelry in a safe place …How to Clean Jewelry A diamond’s spectacular beauty is due to its light show. Diamonds make light reflect, show its many colors… its magic the diamond must be clean. Diamonds are grease magnets. They will pull the oil from your fingers. Soaps and lotions add a coating that stops the light show. Dust and dirt stick to the grease and oils creating a lifeless …

  5. Collection of sapphire jewelry and loose sapphire gemstones in many colors

    Gem in the Spotlight: Sapphire

    … sacred and was worn by priests to show their connection to the sky and heaven. Sapphires were set in the Bishop’s ring as a symbol of unity between the priest, the sky and heaven. Sapphire has been associated with divine favor. The … Anglo-Saxons from 1042-1066, met a beggar one day. King Edward had nothing of value on him except for his sapphire ring, which he generously gave to the beggar. The beggar was really a messenger from God, who later returned the ring to …

  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. 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 …

  8. The Difference Between White Gold and Platinum

    … its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. The white color is achieved by a careful choice of the alloying … because if you don’t like the light yellow look of a specific manufacture, 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 …

  9. Three loose rubies in a row triangle oval and pear shaped

    Gem in the Spotlight: Ruby

    … believed to protect the wearer from injury and to keep them safe and healthy. Many cultures believed that wearing rubies in battle made warriors invincible and protected them from harm. Innumerable powers have been associated with the … is the most famous ruby, and was originally mined in Myanmar. The Sunrise Ruby was eventually set by Cartier into a ring along with two diamonds weighing a total of 5 carats. In 2015, Sotheby’s put the ring up for auction where it sold …