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Fine Jewelry University Articles matching: “Gold rope”
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Fine Jewelry University
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Gem in the Spotlight: Tanzanite
… tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely loans it out for display at museums. Care and Cleaning of … is stable and won’t be harmed under normal conditions the low hardness and poor to fair toughness (and a property called cleavage, which is a tendency to break when struck) means that care should be taken to avoid sharp impacts. Setting …
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Styles of Earring Backs
…of earring backs, highlighting some of the pros and cons of each. Maybe you have a style in mind and don’t know the proper name for it. Maybe you are looking for the perfect gift. Maybe you are having trouble with your current earrings … and small children may prefer an even more secure style. It also may compromise the security if the back does not properly fit the post, or through years of wear. Screw Backs (Threaded Backs) Occasionally called “threaded backs.” These …
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Anatomy of a Ring
… add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was sized looking at the shank with your naked eye. Over time, the shank can wear thin—yes, even gold and platinum can wear away. In such cases a jeweler can “re-shank” the ring by replacing the metal at the bottom of the shank, going as far up the sides as the design and the extent of the wear require. If you are careful with your rings…
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How Are Lab Grown Diamonds Made?
… the imagination of scientists and visionaries alike. Just like the alchemists of old who sought to turn lead into gold, many have tried to achieve this impressive feat. We have only recently been able to produce gem quality, lab grown …made diamonds that are produced are not of gem quality. They are made for industrial applications where the amazing properties of diamonds (hardness, thermal conductivity, etc.) are used to make better tools and equipment. Since the …
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Gem in the Spotlight: Emerald
…and Mrs. O. Roy Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the …
