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Fine Jewelry University Articles matching: “Gray diamonds”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Tanzanite
… to stay in Tanzania for cutting and polishing, with the best pieces eventually showcased at the Tanzania National Museum. The Queen of Kilimanjaro tiara contains the largest faceted tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely loans it out for display at museums. Care and Cleaning of Tanzanite While tanzanite is stable and won’t be harmed …
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Gem in the Spotlight: Amethyst
… or heat, as these can damage the gemstone. Prolonged UV/sun exposure can cause the color in amethyst to fade so keep that in mind when storing your amethyst jewelry. If you have an amethyst ring or other piece of jewelry with diamonds or other gemstones, you should be careful when cleaning it. You should use a soft brush to gently scrub the amethyst and avoid using ultrasonic cleaners, as these can damage the gemstone. Why Buy Amethyst There are many reasons why someone …
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Gem in the Spotlight: Jade
…al’s resistance to fracturing, whereas hardness is its resistance to scratching. This may seem like splitting hairs, but it actually has a big impact on how gems are worn and what they can handle. We all know diamonds are the hardest gem commonly available on earth. If you scraped them together, a diamond would scratch a piece of jade while the much softer jade wouldn’t leave a mark on the diamond. However, if you decided to smack both gems with a hammer (please don’t try t…
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How to Sell Your Jewelry
… the gem. On the other hand the gem could add zero to the value. The two critical factors are the gem itself and the condition. Some gems have a higher value then others. A natural ruby is worth many times more then a synthetic ruby. Diamonds are generally more valuable then amethysts. Knowing your gem’s grade and rarity will help with understanding its value. The condition of the gem is critical to the value. Some chips and abrasions can justify the repolishing cost. But …
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Gem in the Spotlight: Ruby
… carats, this ruby may not be the largest ruby ever found, but its color and cut is unrivaled. It 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 for a record setting $30.42 million dollars to an anonymous Swiss buyer. Care and Cleaning of Ruby Rubies are sturdy stones, but are still …
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Gem in the Spotlight: Emerald
…for its clarity and rich green color. It was donated to the Smithsonian by Mr. and Mrs. O. Roy Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and Cleaning of Emerald Like all precious gemstones, emeralds require proper care to maintain their brilliance and value. …
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The Birthstones
…instill courage in those who wore them. Learn more about Aquamarine April’s Birthstone: Diamond April’s birthstone is the emblem of fearlessness and invincibility. Courage, strength and fortitude were attributes given to the wearer of diamonds. The diamond has been a symbol of eternal love since the 15th century, when Archduke Maximillian of Austria sealed his engagement to Mary of Burgundy with a diamond ring. Of all jewels, the diamond is supreme and worthy of the name …
