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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Jade
… Columbia, and Siberia. Myanmar (Burma) and Guatemala are the primary sources of jadeite. Care and Cleaning of Jade Both nephrite and jadeite can be damaged by the heat of a jeweler’s torch. Jade is generally safe in ultrasonic cleaners, but the treatments we just discussed can be damaged. Warm soapy water and a soft bristled brush are the safest ways to care for your heirloom jade. Almost all jade is treated with wax to help improve its appearance. The wax fills pores in …
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Gem in the Spotlight: Tsavorite Garnet
… believed to help the immune system, breathing, and metabolism. Care and Cleaning Tsavorite is rated as “good” for everyday wear. You should avoid sudden temperature changes and never steam clean your Tsavorite Garnets. Ultrasonic cleaners are usually safe unless the gem has a preexisting crack or fracture. To clean Tsavorite, gently scrub it with a soft toothbrush and a solution of mild dish soap and warm water. Why Tsavorite Tsavorite has all of the qualities you want in…
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Jewelry Repair FAQ
…’t? That’s why we have literally 100s of carats of loose 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 years of experience. Of course, some gems are more difficult to match than others. Pearls, opals, and other gems with patterns in them (Blood Stone, Pietersite, etc.) are …
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Diamond Buying Guide: The 4 C’s
… VVS1-VVS2 Very, very slightly included Minute inclusions difficult to see VS1-VS2 Very slightly included Minor inclusions difficult to somewhat easy to see SI1-SI2 Slightly included Noticeable inclusions that are easy to see I1-I2-I3 Eye visible inclusions Obvious inclusions, I3 may threaten
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Anatomy of a Ring
… point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would 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 shank, going as far up the sides as the design and the extent of …
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Learn Secret Diamond Buying Skills From a Professional Diamond Buyer
… just how much they weigh. Diamond professionals love insider terms. It adds to the mystic of the diamond in their eyes. There are many more ways to describe a diamond’s weight but they all can be translated to a carat and its fractions… facet and exactly measure each stone to do an analysis of the cutting style. This should take two to ten weeks of eye cramping work to learn. Second, get a chart of the ideal cut percentages and angles and find a diamond that has been …
