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Fine Jewelry University Articles matching: “How to check loose stones”
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Fine Jewelry University (Show All FJU Articles)
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Jewelry Repair FAQ
…, 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 years of experience. Of course, some …to again. What is retipping, and why do I need it? In a large number of jewelry pieces, the valuable diamonds and gemstones are held in place with prongs. With wear, the tops of these prongs can become worn down. If the prongs wear down too…
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Anatomy of a Ring
… prongs checked by a jeweler, especially if it looks to you like any of the tips are missing or worn down, or if any stones are loose. The more tips that are thin or missing, the more likely you are to lose a stone. In addition to prong …rings have been very popular for sometime and so you may be familiar with this one already. The “halo” refers to the stones that surround the center stone, or sometimes center cluster. There are many styles of halo rings. A halo can be a …
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Understanding the Diamond Buying Game
…understanding a diamond report is not just seeing the four C’s grade to compare diamonds. The same lab can grade two stones H VS2 1.00 carat and the value of the two diamonds can be hundreds, if not thousands of dollars different. It is a … not all diamond grading labs grade with the same standard. GIA and AGS use the most technical standards. EGL uses a looser grading standard, I call market grading. In addition, EGL has a franchise like business model and different EGL …
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How to Tell If a Diamond Is Natural or Lab Grown
…First, you have to decide what “real” means. If you are not familiar with lab grown diamonds, you might want to check out our introduction to lab grown and synthetic diamonds before continuing with this article. So, now you know that lab … are natural diamonds that are Type IIa, so it’s not a 100% conclusive test. Also, a diamond has to be completely loose (unmounted) to perform the test. Photoluminescence Spectroscopy and UV Radiation Going beyond the Type IIa test, more …
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Frequently Asked Question about Jewelry
… Certificate and an Appraisal? A Diamond Certificate is a document issued by a Gemological Laboratory describing a Loose Diamond. The laboratory will not issue certificates on Diamonds which are set in a mounting. A Diamond Certificate … period of time, assuming the Diamond does not chip or is not otherwise altered. An appraisal can be performed on a loose Diamond, a mounted stone, or jewelry. If the stone is not loose, the physical properties are estimated using various …
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How to Sell Jewelry on Craigslist and Facebook Marketplace
… goes bad. Some other safeguards are notifying someone you can trust of the time and place of your meeting. Check in with that person after the meeting. Always have your cell phone with you. If you decide to give a phone number in the ad, …should be next on your mind when selling jewelry through online classifieds Cash is usually the best payment method. Checks of all kinds (personal, cashiers checks, money orders, etc.) can be fakes. If you are on Facebook Marketplace, …
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Gem in the Spotlight: Peridot
…. If well cared for, Peridot jewelry can last generations. We have an excellent selection of Peridot jewelry and loose Peridot gems that we can set for you. Come by the shop to find your perfect Peridot is a lovely yellow-green gem with a rich history. Legend has it that Peridot was the favorite gemstone of Cleopatra. The ancients called it the “gem of the sun”. … that peridot could chase away evil spirits and dissolve curses but only when set in gold. Peridot is the birthstone for August. It is also the accepted anniversary gemstone for the 16th year of marriage. Peridot’s unique yellow-green …
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Gem in the Spotlight: Ruby
… deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. Corundum is an extremely durable form of … rubies and mentions them four separate times. In India, the ruby is known as “ratnaraj” or “king of precious stones” in the ancient language of Sanskrit. Rubies get their name from the Latin word “ruber,” which means red. This is also …
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The Magic of Polarized Light
… Polarizing filters are critical to many fields of study. Without them, we wouldn’t be able to easily identify gemstones, TVs and monitors wouldn’t work in the same way, and the latest blockbuster movie wouldn’t pop off the screen the way … them to function efficiently as they do without negative side effects. Using Polarized Light in Gemology Some gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (DR) and …
