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Fine Jewelry University Articles matching: “weight of gold”
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Fine Jewelry University (Show All FJU Articles)
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Diamond Buying Guide: The 4 C’s
…our gemologists are more than happy to answer any questions you have so please feel free to visit us anytime. Carat Weight Diamonds are small, so the scale that is used to describe diamond weights uses very small units. A carat equals 1/5 …. A diamond can be described as 75 points or 0.75 carats or 3/4 of a carat. It is a good practice to know the exact weight of a diamond when buying or selling. The weight of a diamond is often thought of in terms of its size. If you know …
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How to Sell Your Jewelry
… the price is the metal price(the daily spot price) multiplied by purity(the true noble metal content) times weight(can be in ounces, pennyweights or grams) . The purity is the karat of gold or percentage of noble metal (gold, platinum, … of the time is 90% pure and 10% alloy. Silver jewelry is usually sterling, which is .925 pure. The three units of weight used with precious metals are troy ounces, pennyweights, and grams. The troy ounce is equal to 20 pennyweights (DWT) …
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What to Do When Your Ring Irritates Your Skin
… or green when they wear certain jewelry. One of the most common metal allergies is Nickel which is added to pure gold in many white gold alloys. The Nickel is what makes the gold white, but it can also cause an allergic reaction. Some … the exact cause and solution of an allergic reaction is not as simple as it may seem. Jewelry, especially white gold, is often plated to give it a brighter finish. White gold alloys are often plated with Rhodium which is a member of the …
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Frequently Asked Question about Jewelry
… this level of trust. For more information see our Custom Design page . What are the 4 C’s? The four C’s are Carat Weight, Cut, Color and Clarity. Carat is the weight of a gem. A carat equals 1/5 of one gram. Cut has two components to it. …. What is redesigned jewelry or redesigned? Simply put, a redesign is a custom design using your existing gems and gold or platinum. This does not mean you are limited by the gems you have, but what you have is incorporated into the new …
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Platinum
… albums and credit cards. Platinum jewelry is the perfect choice for a lifetime of everyday wear. Its density and weight make it a durable jewelry metal. Platinum does not wear away and holds precious stones firmly and securely. Like all …named it contemptuously platina (little silver) and threw it back into the river to ripen into silver. In 1912 white gold was “invented” in Pforzheim, Germany, as a substitute for platinum. These properties piqued the interest of a …
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Jewelry Solder: What You Should Know
… we first have to understand metal alloys. If you haven’t already, now would be a great time to read our article on gold purity . Now you should know that the metals that make up our jewelry are actually a mix of multiple different metals… gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the rest being made up by a variety of different metals like …
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Gem in the Spotlight: Quartz
… brown Morion Dark-gray or black crystal quartz Rutilated Quartz Typically colorless and can have black or gold needle inclusions Ametrine Purple and yellow/orange color zoning (a combination of “Amethyst” and “Citrine”) Bi-color Quartz …-50x magnification. This will not be a complete list, but it includes the most common gem varieties. Of these gems, Gold Matrix Quartz is probably the one that you have seen the most. It is a beautiful stone that commonly features a rich …
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The History of Diamond Cuts
…brilliance we know today. The Old Mine cut follows the angles and shape of the octahedral diamond crystal to save on weight from the rough stone and to make it easier to cut with the diamond cutting technology of the day. Old Mine cut …One of the earliest recorded statements about diamonds is: “the substance that possesses the greatest value, not only among…stones, but of all human possessions.” said by Pliny, the Roman historian. The story of the diamond cut is the story of humankind’s love of diamonds and our quest to unlock their true brilliance. Before Diamond Cutting The Romans loved …
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Gem in the Spotlight: Jade
… most important items in the global gem market. In fact, jadeite is often sold by the individual piece instead of by weight like most gems. This is because even small differences in color or imperfections can drastically change the value of…Jade has one of the richest heritages of all gemstones. People have been using jade from as early as 6,000 BC, and it has been an … green, orangey-red, black, and yellowish green. Jadeite can come in many different colors including pink, purple (often called lavender jade), blue, black, white, and the most valuable/desirable color: a vibrant green. The finest of …
