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Fine Jewelry University (Show All FJU Articles)
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The Difference Between White Gold and Platinum
… palladium. The white color is achieved by a careful choice of the alloying metals, which bleach the deep yellow of pure gold. The amount of alloy mixed with gold is called its karat. The key to understanding gold karat is the karat value… and 41.7% alloy. The white color is achieved by a careful choice of the alloying metals, which bleach the yellow of pure gold. Platinum is a naturally white metal. It does not need to be alloyed for color. Jewelry platinum is typically …
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Gold Purity and The Differences Between White and Yellow Gold
… person to another. Gold is an expression of love. Gold Purity Is all gold the same? We hear a piece of jewelry is pure gold or solid gold or 24 karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in …gold. Gold’s karat grade is used to express the proportion of gold in an alloy or the quality of a gold alloy. Fine (pure) gold is 24 karat. The proportions in other karat grades are listed in the table below: Karat Parts Gold to Alloy …
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Jewelry Repair FAQ
…feel for how your jewelry wears and what the best schedule to come in is. What do they add to gold to make it white? Pure gold has a rich yellow color and is very soft. When we make gold jewelry, we mix pure gold with other metals to … different colors and properties. Because silver is naturally a white metal, many people believe it is mixed with pure gold to create white gold. In truth, even a high percentage of silver content will not result in a white gold alloy. …
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Star White Gold
…beauty are all reasons to choose white gold. White gold compliments diamonds. White gold is bright. White gold has a pure reflexive look. White gold is white…or is it? White gold can be compared with gasoline. There are generally three … makes for a gorgeous piece of jewelry, and the clean white gold shows off diamonds to their fullest brilliance. Pure Star White gold enhances so many jewelry designs. See the Star White Difference When you buy a piece of quality jewelry …
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Gem in the Spotlight: Morganite
… it from other pink gemstones. Morganite is commonly heat treated to remove yellow and orange hues and to achieve a purely pink stone. This type of enhancement has an excellent stability rating, and the stone requires no special treatment…As you may know, the most important factor in determining the value of a colored gemstone is: color. Morganite of a pure, medium pink color is the most valuable. If the pink color is too light the stone often looks washed out and if the …
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What to Do When Your Ring Irritates Your Skin
… black 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. …
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How Are Lab Grown Diamonds Made?
… over 1.5 million pounds per square inch and temperature above 2,000 degrees Celsius. In this environment, the pure carbon melts and begins to form into a diamond around the starter seed. On December 16, 1954, a belt press was used to …plasma using microwaves, lasers, or other techniques. The ionization breaks the molecular bonds in the gases and the pure carbon adheres to the diamond seed and slowly builds up into a crystal, atom by atom, layer by layer. The CVD …
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What Are Lab Grown Diamonds?
… nature does under extremely high pressure and temperature. The newest way to grow synthetic diamonds is the Chemical Vapor Deposition (CVD) technique. In the CVD process, a chamber is filled with a carbon rich vapor. Carbon atoms are extracted from the rest of the gas and deposited on a wafer of diamond crystal which establishes the crystal structure as the gemstone grows layer by layer. You can learn more about how lab grown diamonds are made from our main article on the…
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Jewelry Solder: What You Should Know
… between the metal and elements in the air and liquids that it comes in contact with. The result of this reaction is a new molecule that does not have the same color properties as the old one which leads to discoloration. Unlike pure gold, base metals are not nearly as resistant to tarnishing. These metals can easily have those chemical reactions with the elements around them causing them to discolor. By adding additional base metals to solder alloys the finished metal …
