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Fine Jewelry University Articles matching: “Is 790 real gold”
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Fine Jewelry University
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Styles of Earring Backs
… Irritant – If used with costume jewelry made of non-precious metals, it may cause irritation to sensitive skin. Gold options found on more valuable jewelry do not typically have this problem. Lever Backs (European Backs) Lever backs, …-on earrings for non-pierced ears, but they are not as secure as locking backs or screw backs. With this style it really comes down to personal preference. Though it is not nearly as popular as other styles, there are still many who find …
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Anatomy of a Ring
… 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 …Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need maintenance. It’s also a fun way to … term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start at the point that the design stops. A …
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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 … or a CVD diamond. Both technologies are fascinating, and both have their pros and cons. Fortunately, you don’t really have to worry about how your lab grown diamond was made. As with natural diamonds, the beauty of a lab grown diamond …
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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 …Springtime exudes life, full of bright colors and renewed energy. Emerald, May’s gemstone, captures this enthusiasm for life in rich elegance. This precious gemstone has been revered for over 4,000 years and is associated…’s hue depends on the presence of chromium and vanadium in the crystal structure. Emerald’s Mohs hardness rating is 7.5-8 making it softer than sapphire and harder than amethyst and other quartz varieties. The refractive index of …
