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Fine Jewelry University Articles matching: “What dose 925 RT mean inside a ring”
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Fine Jewelry University (Show All FJU Articles)
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Types of Jewelry Clasps
…production of jewelry, and the demand for simpler, more affordable clasps grew. This led to the development of the spring ring clasp, which is still widely used today. The spring ring clasp features a small, spring-loaded mechanism that …. Other types of jewelry clasps that emerged in the 20th century include the lobster clasp, which features a spring-loaded mechanism that opens and closes by pressing a small lever, and the toggle clasp, which consists of a bar that …
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The History of Diamond Cuts
… experience to get the job done right. The point cut diamond is likely where the tradition of the diamond engagement ring began. Mary of Burgundy became the first to receive a diamond engagement ring. Archduke Maximilian of Austria gave …of changing the shape of a diamond began. In the 15th century cutters would saw off part of the octahedron to create what is called a table. The table is the big center facet of a diamond. The creative name for this shape is the Table Cut…
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Gem in the Spotlight: Tanzanite
…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 color. Tanzanite’s gorgeous color is a captivating mix of blue and purple. The …this gem as blue zoisite. The vast majority (current estimates are around 95%) of tanzanite is heat treated to help bring out the vibrant blues. The stones that haven’t been heated by humans were heated through natural effects while they …
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How to Sell Jewelry on eBay and Other Websites
… in case the shipper damages it or the buyer says it was like this when they got it. If it is damaged, ask the buyer what shape the box was in when they got it. Keep all of your shipping and insurance receipts in case the piece is damaged… return it with a different gem (they could switch the diamond with a lower grade or even a CZ and claim that is what they got). If you use eBay, you have to be found, do the research on the best category and keywords for your item. …
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Gem in the Spotlight: Opal
… shall see the living fire of the ruby, the glorious purple of the amethyst, the sea green of the emerald, all glittering together in an incredible mixture of light.” During the Middle Ages, opal gained an interesting reputation for … of illness, particularly the plague. In Arabian cultures, opal was considered a celestial gift that rained down during lightning storms and carried with it the magic of the heavens. Arguably the most famous opal of all time is “Aurora …
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Jewelry Repair FAQ
… you have a question that you don’t see answered here, please contact us and let us know. A gemstone fell out of my ring. Will the new stone match the old one? We get this question all the time. People want their jewelry to look just the … quite similar to the original. So, that beautiful piece of jewelry you love can look just the way it used to again. What is retipping, and why do I need it? In a large number of jewelry pieces, the valuable diamonds and gemstones are …
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Gem in the Spotlight: Tourmaline
… as their concentration, different colors will be present. Copper, manganese, chromium, and vanadium are the key coloring agents in tourmaline. Another unique facet of tourmaline is its ability to become electrically charged in certain … in submarines. History and Lore of Tourmaline The name tourmaline comes from the Singhalese word turamali, which means “mixed gems” owing to the fact that the gem can look like many others. Tourmaline was first discovered in 1554 in …
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Gem in the Spotlight: Iolite
… and deeper than many tanzanites. Iolite’s name comes from its violet color. It is from the Greek word “ios” meaning violet. Unlike many other popular gems, iolite cannot be heat treated to enhance its color. The color you see is the … different colors when observed at different angles, especially with polarized light. Pleochroism is caused by differing absorption of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. …
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The Difference Between White Gold and Platinum
… its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. The white color is achieved by a careful choice of the alloying … as a hardener alloy. Platinum is usually marked with .900 or .950 to mark its fineness. Some manufacturers state what alloy they are using like 90% Platinum 10% Iridium. How white gold and platinum start out is one of the key differences…
