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Fine Jewelry University (Show All FJU Articles)
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How to Tell If a Diamond Is Natural or Lab Grown
… the test. Photoluminescence Spectroscopy and UV Radiation Going beyond the Type IIa test, more advanced equipment exists that uses spectroscopic techniques to analyze gems. One such machine is the DiaTrue screener which we have … discussed to screen their inventories for undisclosed lab diamonds. The jewelry industry as a whole has gone to tremendous lengths to ensure that when a diamond is sold as natural, it really is natural. Plus, when you shop at Arden …
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Star White Gold
How white is your white gold? Style, fashion, and beauty are all reasons to choose white gold. White gold compliments diamonds. White gold is bright. White gold has a pure reflexive look. White gold is white…or is it? White gold … white and very hard, but it does wear away 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…
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The Birthstones
…. Because amethyst was thought to encourage celibacy and symbolize piety, amethyst was very important in the ornamentation of Catholic and other churches in the Middle Ages. It was, in particular, considered to be the stone of bishops … has been a symbol of eternal love since the 15th century, when Archduke Maximillian of Austria sealed his engagement to Mary of Burgundy with a diamond ring. Of all jewels, the diamond is supreme and worthy of the name precious stone. …
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Types of Jewelry Clasps
… are a wide variety of clasps, each with its own purpose and unique design. Whether you are searching for a replacement for a broken clasp or just looking to learn more about them, this article is for you. History of Jewelry Clasps …but important component of many types of jewelry like necklaces, bracelets, and anklets. Clasps allow for easy attachment and removal of the jewelry and provide a secure way to wear and display precious pieces. The history of jewelry …
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Gem in the Spotlight: Tourmaline
… to display this unique property. One of tourmaline’s most distinctive traits is its ability to be multicolored as mentioned above with watermelon tourmaline. The gemological term for this is parti-colored tourmaline. This includes bi-… other combinations of colors exist. Parti-colored tourmaline occurs when the gem is getting formed and the environment changes. Depending on which trace elements are present, as well as their concentration, different colors will be …
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What are “Blood Diamonds”?
… originate from areas controlled by forces or factions opposed to legitimate and internationally recognized governments, and are used to fund military action in opposition to those governments, or in contravention of the decisions of the… diamonds. Dedicated to eradicating the trade in conflict diamonds, it worked closely with the United Nations, governments and non-governmental organizations (NGOs) such as Global Witness and Partnership Africa Canada to create the …
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Gem in the Spotlight: Blue Zircon
…. Zircon is commonly heat treated. Brown zircons can be transformed into colorless or blue zircons through heat treatments. Zircon is a durable gemstone with good hardness on the Mohs scale (6 to 7.5). However, Zircon has what is known …danger. Zircon is also of interest to geologists because it is one of the oldest minerals on earth. Some zircon specimens from Australia date at 4.4 million years old. Considering that scientists currently estimate that the earth formed …
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Jewelry Repair FAQ
… diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a replacement stone for repairs. Matching stones takes a discerning eye, attention to detail, extensive gemological training, and… that cannot be repaired for one reason or another. But, with the laser 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 …
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What Are Lab Grown Diamonds?
… is Strontium Titanate . This material became a popular diamond simulant in the 1950s. The 1960s brought the development of two simulants: Yttrium Aluminum Garnet (YAG) and Gadolinium Gallium Garnet (GGG) . Both are man-made diamond … are man-made in a lab while natural diamonds are created in the earth. Nature is not a controlled, sterile environment, and natural processes vary abundantly. Therefore, the results are not perfect. There are many types of inclusions …
