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Fine Jewelry University Articles matching: “jewelry appraisal types”
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Fine Jewelry University (Show All FJU Articles)
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What Are Lab Grown Diamonds?
… like diamond but should never be referred to as a “synthetic diamond.” Because of this, along with most of the jewelry industry, we tend to use the term “lab grown diamond” to refer to a true synthetic diamond that shares the same chemical …, sterile environment, and natural processes vary abundantly. Therefore, the results are not perfect. There are many types of inclusions and structural signs that nature made a given gem. Lab grown diamonds, on the other hand, are made in …
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Styles of Earring Backs
…your current earrings and are looking for alternatives. Or maybe 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 … post has a notch so that the back actually snaps into place. PROS Availability – These backs are the go-to for many jewelry wearers. Security – They are a secure option, ideal for both stud earrings and dangle earrings. Ease of Use – They …
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Gold Purity and The Differences Between White and Yellow Gold
Gold, just the word brings to mind value, rarity, wealth, beauty and jewelry. But what is gold? Yes the scientists tell us gold is an element with the chemical symbol Au. We know it is the … pliable of all metals. Yes, but what does that mean to me? Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant engagement rings to show the eternal affection of one person to another. …? 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 many forms. Basic to understand the uses of gold in jewelry is karat. Karat with a K is …
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Gem in the Spotlight: Emerald
… day and it was later sold at Christies in 2011 for $6.6 million, setting the record for the most expensive emerald jewelry ever sold at auction. The Chalk Emerald is a famous 37.8 carat emerald known for its clarity and rich green color. It…can be susceptible to damage from heat, chemicals, and extreme temperature changes. It is essential to store emerald jewelry away from direct sunlight and avoid exposing them to household chemicals such as bleach and cleaning agents. …
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The Difference Between White Gold and Platinum
…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 an alloy containing 90% to 95% platinum and the balance alloy. Iridium or ruthenium is often …This new alloy is called Star White Gold . It is still not widely available, so these paragraphs still apply to most jewelry, but Star White is different. Learn more… White gold is an alloy of gold and some white metals…the white color …
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Platinum
Everything you ever wanted to know (and more) about Platinum and its use in jewelry. Platinum is one of the rarest and most durable precious metals. Platinum’s rich, white luster enhances the …. These factors, along with its strength and white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or … sometimes enjoys a cachet higher even than gold – witness all those platinum albums and credit cards. Platinum jewelry is the perfect choice for a lifetime of everyday wear. Its density and weight make it a durable jewelry metal. Platinum …
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Gem in the Spotlight: Opal
… index of 1.37 – 1.47 and a Mohs hardness of 5.5-6. This makes it one of the softest gemstones commonly used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: Diamond 10, Sapphire 9, Amethyst… glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be set into jewelry. In triplets, that thin piece of opal is sandwiched between a piece of onyx and a clear piece of laboratory grown …
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Star White Gold
… eventually. Regular, Plus, or Premium? The White Gold Task Force statement on the plating of white gold reveals how jewelry manufacturers view rhodium plating: “The lack of an industry-accepted definition of white as applied to white gold … we have a solution! Why are white gold consumers dissatisfied? Because they don’t know what the true color of the jewelry is when they buy it. I have seen a yellow gold ring heavily plated to look white. This was a true 14 karat yellow gold…
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Gem in the Spotlight: Iolite
Iolite is maybe not the first gemstone people think of for their blue-violet jewelry, but it should be near the top of the list. Iolite’s color range of blue, blue-violet, and violet competes for …, if you ever need to find north, I would recommend a different approach. Just use the finger that your iolite jewelry is worn on to open the compass app on your smart phone. From there you can find both magnetic north and true north. I … than Opal, and softer than Emerald or Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in situations where it might be hit against hard objects to keep it free from cracks and small …
