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Fine Jewelry University Articles matching: “Value of black pearls natural”
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Fine Jewelry University (Show All FJU Articles)
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What are “Blood Diamonds”?
… to fund conflict, the problem is not the diamonds themselves but the rebels who exploit diamonds (along with other natural resources) to achieve their illicit goals. The vast majority of diamonds come from countries at peace. These …recognized governments, and are used to fund military action in opposition to those governments, or in contravention of the decisions of the Security Council.” These diamonds are sometimes referred to as “blood diamonds.” In July 2000, …
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Gem in the Spotlight: Amethyst
… amethysts are now appearing in inexpensive jewelry. Because the cost of testing is higher than the cost of even the natural stones it is not often performed. Beware of stones of perfect clarity, calibrated sizes, and precision cutting. … 96 carat heart shaped amethyst. It resides in the collection of the Smithsonian Institution, National Museum of Natural History. The amethyst was most likely mined in Brazil and exhibits a deep, rich purple color. Amethyst also naturally …
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Gem in the Spotlight: Tsavorite Garnet
… Tsavorite has all of the qualities you want in a gemstone: beauty, rarity, intrinsic value, and romance. With its natural, fresh green color in a variety of shades and scintillating brilliance, Tsavorite is one of the most beautiful green …The discovery of Tsavorite in East Africa in the 1960s changed the jewelry world. Here was a gem with the color to rival the most …and the clarity of the cleanest sapphires, all with the time tested durability of garnet. Tsavorite is a unique form of garnet with a stunningly vivid green color. It is bright and lively with a high refractive index giving it excellent…
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What to Do When Your Ring Irritates Your Skin
… which can begin hours or even days after contact and may last for several weeks. Some people’s skin even turns black or green when they wear certain jewelry. One of the most common metal allergies is Nickel which is added to pure gold in … a simple discoloration on top of the skin from the metal. Also, tarnish from silver jewelry can rub off and leave a blackish residue. In both cases, the color will easily wipe or wash off. You can avoid this type of discoloration simply …
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Caring for and Cleaning Your Jewelry
… the precaution of plugging the drain and using a small screen strainer. How to Care for Jewelry What is the hardest natural substance on earth? Diamonds. Legend says diamonds are indestructible. Diamonds are remarkable gems, hard enough to … grease and oils creating a lifeless diamond. Cleaning your diamond jewelry at home is simple and rewarding. Use a soft toothbrush and mild soap then rinse thoroughly with warm water. The key to diamond cleaning is the underneath side …
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Gem in the Spotlight: Aquamarine
… jewelry, you have come to the right place. At Arden Jewelers, our gemologists understand and appreciate the natural beauty of color gems, and we find mountings that accentuate this beauty to its full extent. You can browse our collection …derives its name from the Latin which literally means “seawater,” a tribute to its beautiful blue color. As a member of the beryl family, Aquamarine has some illustrious cousins in addition to a rich history of its own. The Mythology of…
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Gem in the Spotlight: Tanzanite
… treated to help bring out the vibrant blues. The stones that haven’t been heated by humans were heated through natural effects while they were still underground. Without heating, most tanzanite would be a brown color, similar to smoky … is a strong green component at any angle, then it likely has not been heated. The main factors that influence the value of tanzanite are its hue and how deep the color is. Less important, but still part of the equation, are the cut and …
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Star White Gold
… of platinum including its white color. The rhodium plating is used to make the white gold look whiter. The natural color of the white gold could actually be a light yellow color. The rhodium is very white and very hard, but it does wear … look. White gold is white…or is it? White gold can be compared with gasoline. There are generally three grades of gasoline, regular (really the lowest), mid grade, and premium. In addition, not all gas is created equally. We have all…
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Styles of Earring Backs
…the post, or through years of wear. Screw Backs (Threaded Backs) Occasionally called “threaded backs.” These are the natural upgrade from the friction back for those looking for a more secure option. The post is threaded and the back screws …Earrings come in many different styles. Here we will explore the more common types of earring backs, highlighting some of the pros and cons of each. Maybe you have a style in mind and don’t know the … Backs) Also called “butterfly backs,” and sometimes “push backs.” These are undoubtedly the most common style of earring back. They work on earrings with posts, using friction to secure the earring in place–hence the name. Often times…
