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Fine Jewelry University Articles matching: “Is 790 real gold”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Blue Zircon
… color. But, zircon can be almost any color you can imagine including red, yellow, orange, brown, green, champagne, golden, saffron, and colorless. Zircon colors are pure and have that distinctive fire that sets it apart from other gems. …Zircon may be last in the alphabet of gemstones, but it is first in sparkle. The crystal structure of zircon creates one of the liveliest displays found in any colored gem. In… simulates were made, the colorless version of zircon was used in jewelry to mimic diamond. Why? Natural zircon is known for its scintillation, brilliance, and flashes of color or fire just like diamond. Zircon also is known for its …
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Gem in the Spotlight: Topaz
… one person say, “I love Topaz; it reminds me of a blue sky.” Then her friend says back, “Topaz may be like a golden sunset, but not the sky.” A third friend will chime in, “You’re both crazy, it’s like a beautiful peach.” Then, a …names: Imperial Topaz: When both orange and red colors are present (although much of the jewelry industry might call golden topaz imperial). Golden Topaz: Yellow to orange without any red component (could be called precious topaz if more …
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The History of Diamond Cuts
… history. What’s your favorite old diamond cut? Let us know in the comments below, and stop by the shop to see real life examples of these beautiful pieces of the past and One of the earliest recorded statements about diamonds is: “the substance that possesses the greatest value, not only among the precious stones, but of all human possessions… the technology to change their shape. So, the Romans wore uncut diamonds. One of diamond’s remarkable attributes is that the natural diamond crystal is beautiful without any human modification. Diamonds normally form in the octahedral …
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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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Jewelry Repair FAQ
… becomes at risk of falling out of the mounting. Retipping is the process of adding a small amount of 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 … welder in the hands of our skilled craftsmen there is a good chance we will be able to repair your jewelry. What is Gold Plating? Gold plating is the process of depositing a thin layer of gold onto the surface of jewelry. This is done by…
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What Are Lab Grown Diamonds?
… this entire question. Synthetic can mean artificial or even fake. Synthetic can also mean man-made, copied, unreal, or even imitation. But, in this context, what do we mean when we say “synthetic diamond”? In the gemological world, … When is a synthetic not a synthetic? The answer is when it is a simulant. Simulants are gems that look like a real, natural gem but are actually another material. So, a clear or white sapphire can be a diamond simulant because it looks …
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Gem in the Spotlight: Peridot
…gem of the sun”. It was believed that peridot could chase away evil spirits and dissolve curses but only when set in gold. Peridot is the birthstone for August. It is also the accepted anniversary gemstone for the 16th year of marriage. … Peridot could chase away evil spirits and break curses. Some legends added that this can only happen when it set in gold. Peridots were favored by pirates, considered powerful amulets against all evil, and when set in gold, were said to …
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Caring for and Cleaning Your Jewelry
… use chlorine or products that contains it. Don’t use a hard toothbrush because they tend to scratch the metals (gold, platinum, etc.). Abrasive cleaners and toothpaste or toothpowder will also scratch the metals. This will take away the …Hardness is related to the Mohs hardness scale. Diamond is the hardest at 10. Talc is listed as 1 the softest. Pure gold (24 karat) is Mohs 2.5, 14 and 18 karat list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5…
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Platinum
… treasures are set in platinum, such as the Hope Diamond. It is also one of the heaviest, weighing 60% more than gold. The word platinum sometimes enjoys a cachet higher even than gold – witness all those platinum albums and credit cards… discovered Platinum in 1557. In 1590 Spanish Conquistadors discovered a white metal in the rivers of Equador. Not realizing its superb qualities, they named it contemptuously platina (little silver) and threw it back into the river to …
