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Fine Jewelry University Articles matching: “Pear shape ring”

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Fine Jewelry University (Show All FJU Articles)

  1. 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…

  2. Caring for and Cleaning Your Jewelry

    … or special events only. Understanding the limits of your jewelry should allow for years of enjoyment. One of the best 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 that you will remember when you take it off. There is a lot you can do on your own to keep your jewelry shining like new…

  3. Synthetic Gems: The Whole Story

    … rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify the price. Just a one carat gem could cost $3,000 and more. Most of the time people don’t wear them as an engagement ring where people can spend over $10,000 routinely. The answer was to find a less expensive way to have these gems. It took over a hundred years and millions of dollars of research to create what nature can produce. Man made gems come in many forms…

  4. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    …hardness of 8 and good toughness spinel is a great choice for all forms of jewelry. We recommend occasional wear for rings and bracelets, but earrings and pendants are suitable for daily wear. Spinel can come in virtually any color of the… guidance systems. It even has the potential to make its way onto our smartphones as a super durable, glass-like covering. History and Lore of Spinel Spinel is arguably the most overlooked and underappreciated gemstone of all time. Spinel…

  5. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    … a different color when viewed at different angles.  Pleochroism is an optical phenomenon in which a substance appears to be different colors when observed at different angles, especially with polarized light. Pleochroism is caused by … 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 …

  6. A White Gold band next to a Platinum band

    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 …

  7. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … slice to make them. History and Lore of Opal Opal’s rich history is intertwined with beliefs and legends that have shaped its significance across cultures for centuries. In ancient Greece, opal was regarded as a stone of foresight and … 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or Amber (both 2.5) to find a commonly used gem that is softer than opal. Common Opal Treatments There are several …

  8. Jewelry solder is different than normal jewelry metals

    Jewelry Solder: What You Should Know

    Solder is the unseen “glue” that holds most jewelry together. If you have ever had a ring sized, a chain repaired, or your wedding set joined together, you have very likely seen solder in action. But, what … 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 rest being made up by a variety… solder? With solder a different set of alloy metals are used than with regular karat gold with the purpose of lowering the melting point of the finished metal. These metals–usually zinc, cadmium, tin or indium–all have low melting points…

  9. A single platinum wedding band

    Platinum

    …. Platinum is rare, the coveted treasure of discerning individuals. Platinum is one of the strongest and most enduring metals. Some of the world’s greatest treasures are set in platinum, such as the Hope Diamond. It is also one of the …. These qualities of platinum are equivalent to the ideals of eternal true love. All over the world, engagement rings, wedding bands and anniversary rings made in platinum symbolize the everlasting endurance of love. Platinum is pure, an …

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