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Fine Jewelry University Articles matching: “lab grown diamonds”

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Fine Jewelry University (Show All FJU Articles)

  1. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and … to make the fractures less visible. It is so common that if the stone doesn’t have a report from a reputable lab (like GIA) saying otherwise, it is assumed that it has been treated with some level of fracture filling. If you do come …

  2. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    Gem in the Spotlight: Alexandrite

    …) making it a great gift for that special someone with a birthday in June. Alexandrite is perfect for someone who wants the best of the best with a rare twist. One final note: while alexandrite in its natural form is expensive, its lab-created counterpart is very affordable. So no matter the occasion or budget, our gemologists will be able to find the right stone for you. Contact us today to get

  3. Caring for and Cleaning Your Jewelry

    How to Clean Jewelry A diamond’s spectacular beauty is due to its light show. Diamonds make light reflect, show its many colors, and dazzle. To perform its magic the diamond must be clean. Diamonds are … toothpaste or toothpowder will also scratch the metals. This will take away the shine. Ammonia-based cleaners clean diamonds and gold well but they may hurt other gemstones. It is also not a good idea to soak jewelry for very long in ammonia…. Ultrasonic’s can damage other gemstones, know for certain it is safe to use. Ethyl alcohol is good for rinsing diamonds because it evaporates so quickly. Do not use any cleaning solutions that contain oil as they will spot and dull the …

  4. Collection of loose and mounted quartz gems of various types

    Gem in the Spotlight: Quartz

    …more than its fair share of misnomers. One famous one is “Alaska Diamond” for rock crystal alongside “Herkimer Diamonds” (see below). In recent times, the term “Green Amethyst,” which was commonly used for Prasiolite, has come under fire. It … (yes you read that correctly) slab of natural clear quartz and is one of the largest clusters ever found. Herkimer diamonds are a famous type of quartz not for their rarity, but for their ability to pass for diamonds to the untrained eye. Of…

  5. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … just the way it did before a gemstone fell out; who wouldn’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…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 held in place with prongs. With wear, the tops of these prongs can become worn down. If the prongs…

  6. Synthetic Gems: The Whole Story

    …gem is called a simulant. So clear glass, rock quartz, GGG, and Moissanite are all diamond simulants. They look like diamonds, but they are not diamonds. These simulants are easy for a well trained and equipped gemologist to detect. But if … positively identified in gem labs with millions of dollars worth of equipment and world class personnel. Synthetic diamonds on the high end and synthetic quartz on the low end are both very difficult to positively identify as synthetic. Both…

  7. See the Star White Gold difference

    Star White Gold

    … 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 can be …color you get. The rich reflective surface makes for a gorgeous piece of jewelry, and the clean white gold shows off diamonds to their fullest brilliance. Pure Star White gold enhances so many jewelry designs. See the Star White Difference …

  8. A group of art deco and art nouveau rings together

    Art Deco vs. Art Nouveau Style Jewelry

    …art. Many Art Nouveau jewelry pieces were made in silver, but white gold and platinum were quite common as well. The diamonds used in Art Nouveau jewelry were typically Old Mine cuts, but Old European cut stones were also included as they … and the Machine Age. Precious metals like platinum and white gold alongside rare and valuable gemstones such as diamonds, emeralds, and sapphires, were the materials of choice for Art Deco jewelry makers. The most prevalent diamond cut found…

  9. A single platinum wedding band

    Platinum

    …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 tarnish and keeps its looks for a lifetime. Platinum… inner truth. Platinum’s purity endows it with a brilliant white luster. This helps to reflect the true radiance of diamonds. In the United States platinum is usually marked: PT or PLAT. In Europe, platinum is identified by the following …

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