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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: 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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Gold Purity and The Differences Between White and Yellow Gold
… for platinum. Nowadays, they are jewelry metals in their own right and currently very fashionable and desirable. White gold is available up to 21 karats. Most engagement rings are 14k or 18k. White gold is often used to enhance diamonds and other gemstones. White gold bridal jewelry is increasingly popular
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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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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 …
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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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Gem in the Spotlight: Topaz
… Deposition (CVD) has been developed to create this additional color of topaz. This is the same treatment process used to put coatings on lenses for glasses and cameras. It is also one of the processes that is used to create lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic Topaz. These enhanced topaz pieces must be handled with special care because the coating can be scratched and the gem …
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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 …