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Fine Jewelry University Articles matching: “Identifying gemstones”
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Fake Diamonds: The Great Diamond Attack
A popular game show would have three people all say that they were someone and the contestant would try to find out who was the real person. Technology has created many new diamonds and diamond lookalikes. “What is a real diamond?” is a difficult question these days. And the problem of separating a fully natural diamond from all the modern possibilities is quite demanding. So what is a real diamond? Let’s start with the older diamond look a likes, (CZ, GGG, YAG, Synthetic corundum and spinal, Glass) or simulants are
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Diamond Buying Guide: The 4 C’s
…have the technology to permanently color a white diamond to almost any color you can imagine. You can read more about fancy diamond colors here. Clarity Most diamonds contain inclusions. Inclusions are natural birthmarks and useful as identifying characteristics. Clarity grading is done with 10 power magnification. The number, size, type, and location of inclusions determine the grade. The fewer inclusions, the more valuable the diamond. Grade Name Explanation FL Flawless No …
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Frequently Asked Question about Jewelry
… components to it. The shape of the stone and the way facets are positioned on the diamond. Color is actually looking for the absence of color or transparency. Clarity is inclusions and natural birthmarks of a diamond and is useful as identifying characteristics. For more information see the Diamond Buying Guide . What is Filigree? Filigree is a delicate, complicated and detailed work made from gold or other noble metals. It is used to decorate and beautify jewelry by adding a…
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How to Clean Pearl Jewelry
… symbols of purity and chastity. But even symbols of purity get dirty from time to time. As you know pearls are produced when a mollusk secretes nacre to form a covering around a foreign body in its shell. Pearls are not as durable as gemstones produced by the heaving pressure beneath the earth’s surface. Therefore special attention should be used when cleaning them. Pearls should be the last thing that you put on and the first thing that you take off. Common personal …
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Jewelry Repair FAQ
… to again. What is retipping, and why do I need it? In a large number of jewelry pieces, the valuable diamonds and gemstones are held in place with prongs. With wear, the tops of these prongs can become worn down. If the prongs wear down too …metal (usually gold or platinum) to the top of worn down prongs to keep the gemstone secure. In the past, almost all gemstones had to first be removed from their mountings for retipping, and then reset after it was done due to the high heat …
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Caring for and Cleaning Your Jewelry
… metals. This will take away the shine. Ammonia-based cleaners clean diamonds and gold well but they may hurt other gemstones. It is also not a good idea to soak jewelry for very long in ammonia-based cleaners. Some anti-bacteria cleaners can …professions especially). It is safe to use an ultrasonic cleaner with diamond jewelry. Ultrasonic’s can damage other gemstones, know for certain it is safe to use. Ethyl alcohol is good for rinsing diamonds because it evaporates so quickly. Do…
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Measuring Gold Weight
…gold because it is heavier. Others say they are both a pound so they weigh the same. Both are wrong. There is more trivia about gold weights. The troy system historically was used for measuring the weight of drugs, precious metals and gemstones. The name comes from the French city of Troyes. The noble metals (gold, silver and platinum) all use the troy system. A troy ounce is 20 pennyweights. The pennyweight was the weight of a silver penny in medieval England. When pennies …
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What to Do When Your Ring Irritates Your Skin
…design. We do custom jewelry design , and one of our favorite projects is to take the raw materials (gold, diamonds, gemstones, etc.) from a client’s existing ring and use them to make a new and exciting creation. We can reuse the diamonds and…
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Gold Purity and The Differences Between White and Yellow Gold
…. 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
