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Fine Jewelry University Articles matching: “AC gold”
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Fine Jewelry University (Show All FJU Articles)
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Is a Lab Grown Diamond Right for Me?
… Balance , our own collection of unique engagement rings made exclusively with lab …understanding diamonds takes a lot of specialized knowledge that most people don’t have (anyone remember their refractive indexes from high school physics?). Even more unfortunately, the diamond industry suffers from a lot of … diamonds is their environmental sustainability . While this issue hasn’t been full studied yet, it is generally accepted that it takes considerably less energy to grow a diamond in a lab than it does to dig it out of the ground. There …
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The Birthstones
…, Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets are given…gem of the sun”. It was believed that peridot could chase away evil spirits and dissolve curses but only when set in gold. Care should be taken to protect peridot from scratches, sharp blows, household chemicals and extreme temperature …
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Gem in the Spotlight: Tourmaline
… the power to grant enlightenment, give power over spiritual affairs, reconcile opposites, and change base metals to gold. Tourmaline has a special place in our hearts as California natives because it is one of the few gems that are found… secret of gem collectors and connoisseurs who appreciate its unique properties and stunning array of colors. In fact, tourmaline is found in almost any color you can imagine, and people have most likely used and appreciated it for …
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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 …Beauty and rarity are two wonderful traits in a gemstone. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, what makes Tanzanite so popular is its … a gemstone has. If there is a strong green component at any angle, then it likely has not been heated. The main factors that influence the value of tanzanite are its hue and how deep the color is. Less important, but still part of the …
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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, …Earrings come in many different styles. Here we will explore the more common types 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…you are simply interested in expanding your general jewelry knowledge. Keep reading; we have your answers. Friction Backs (Butterfly Backs) Also called “butterfly backs,” and sometimes “push backs.” These are undoubtedly the most common…
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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 …. In terms of maintenance, sometimes a ring gallery will be made up of thin wires which can wear and break or crack over time. The gallery is also a prime location to see wear caused by other rings (e.g. wedding bands) that are worn …
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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 … form of carbon, and so making artificial carbon crystal was the problem of lab grown diamonds. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then …
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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 …hardness rating is 7.5-8 making it softer than sapphire and harder than amethyst and other quartz varieties. The refractive index of emerald ranges from 1.57 to 1.58, making it a moderately refractive gemstone. Its specific gravity …
