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Fine Jewelry University Articles matching: “tanzanite ring”

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Fine Jewelry University (Show All FJU Articles)

  1. 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 …

  2. 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 …

  3. Blue Zircon loose gems and jewelry

    Gem in the Spotlight: Blue Zircon

    … for jewelry wearers and gem collectors alike. Plus, it out sparkles the other December birthstones (Blue Topaz and Tanzanite) making it a great gift for anyone born in December or who simply appreciates dazzling, … cleavage which creates a somewhat brittle tendency that can lead to chips, especially along facet edges requiring extra care when setting, cleaning, or wearing. The Mythology and History of Zircon Since it has been known from antiquity, …nes. In the middle ages, Zircon was said to aid in resting, induce sound sleep, drive away evil spirits, bring prosperity, and promote honor and wisdom in its owner. Zircon is assigned to the planet Pluto and is said to be of help for var…

  4. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    …index of 1.624 to 1.644 and a Mohs hardness of 7 to 7.5 which makes it softer than topaz or sapphire and harder than tanzanite or opal. Tourmaline is found in a huge variety of colors (sometimes even within the same gem), and some of these … 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 …

  5. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    Nothing is more frustrating than being unable to wear your engagement ring or other jewelry because it irritates your skin. Don’t worry. There are many options you have when faced with this …but their root causes and solutions are very different. Physical Irritation This can be caused by the design of the ring, a rough area that is the result of normal wear and tear, or a ring that is not sized correctly. If the ring is too … irritation and the solution may simply be to size the ring up slightly. Likewise, if there is a rough spot on the ring, that can normally be smoothed out by a jeweler. Changes in diet can dramatically affect our finger sizes. So, if the …

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

    Gem in the Spotlight: Amethyst

    …. For reference, amethyst is roughly as hard as tourmaline, softer than sapphire and topaz, and harder than opal and tanzanite. This makes it a durable gemstone that is resistant to scratching and chipping. It is also resistant to heat and … with the clergy and was often used in the design of religious objects. It was also believed to have the power to bring about sobriety and was given to people who were struggling with addiction. Wine glasses were even carved out of …

  7. Rough lab grown man made diamonds

    Is a Lab Grown Diamond Right for Me?

    Picking a diamond for your engagement ring is a big decision. For most of us, buying a diamond is a significant financial undertaking, and we want to get it … are conflict free, and you can buy verifiable Canadian diamonds of known origin if you want), it is still reassuring to know that with lab grown diamonds, you can be totally confident that your diamond did not support wars or child labor… economy of the host country. Often times, these countries are impoverished, and the jobs and income that the mine brings can help elevate many people out of poverty. Lab grown diamonds are not one-of-a-kind in the same way that natural …