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Fine Jewelry University Articles matching: “St mark”

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Fine Jewelry University (Show All FJU Articles)

  1. Frequently Asked Question about Jewelry

    …is changing the very nature of diamonds. First, new synthetic (man made) diamonds of gem quality are coming into the market now. Next, companies can now change the color of diamonds. They are making the diamonds both more transparent (… diamond. Color is actually looking for the absence of color or transparency. Clarity is inclusions and natural birthmarks of a diamond and is useful as identifying characteristics. For more information see the Diamond Buying Guide . What…

  2. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    … which is why, despite its beauty, amethyst is such an affordable stone today. About 50% of amethysts on the world market are now believed to be synthetic. This is a fairly recent discovery as many low cost, high quality, deeply colored …Amethyst is known for its beautiful purple color, and it is the most important quartz variety used in jewelry. Purple has … a royal color, so it is not surprising that amethyst has been in so much demand throughout history. Gemology Amethyst is a variety of quartz that is colored by the presence iron and aluminum. The violet color of amethyst can range from…

  3. Polarized light diagram

    The Magic of Polarized Light

    … uses in gemology and our day-to-day lives. We hope you enjoyed this article, and remember that if you are in the market for a new diamond or gemstone our trained gemologists have the tools, understanding, and experience to help find the … a very useful tool in gemology, and in this article we’ll show you why. What Is Polarized Light? Light from almost any light source travels in many different directions, and the vibrations around each ray of light are random. This is …

  4. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    …it is a “synthetic diamond” because it does not have the same chemical structure as a diamond. A white sapphire, marketed and disclosed as a white sapphire, is a sapphire. But, if it is used in place of a diamond, then it is a diamond … coated Cubic Zirconia has an extremely thin diamond coating only. However, this does not stop some unscrupulously marketers from calling them synthetic diamonds. Now, you know better. Lab Grown Diamonds Compared with Natural Diamonds So…

  5. How to Sell Jewelry on eBay and Other Websites

    … only to pay the lowest price. If your jewelry is unique, get a high price if not, then the bargain hunters are your market. The success of eBay helped a much older business the pawn shops. The pawn shops who sell jewelry on eBay and … angles. Think about how you want to present your jewelry. Do you want a detailed description, or light beautiful statement, or a story? You must have a way for them to buy and return without losing the money or jewelry. An escrow …

  6. Get more cash for your gold and jewelry from Arden Jewelers

    How to Sell Your Jewelry

    … service for a fee. Think of a jewelry broker as a hired professional working for you against a very sophisticated market like the jewelry industry. Make sure their allegiance is to you alone. Most jewelry brokers are highly trained in … of jewelry. Also realize that the prices asked for in the paper are rarely achieved and do not reveal the true market value. Some times the jewelry is sold for very much less then advertised or never sold at all. But with some safeguards…

  7. Evaluating inherited estate jewelry can be tricky

    How to Value Inherited Jewelry

    …, jewelry value is not one set number. It changes with the situation (who is buying, and who is selling) and the marketplace (global economy, commodity prices, local jewelry market, etc.). And, it changes with time and styles. …value of an item could be $1,000 given one set of conditions, but in a certain area, given the way it was put out to market, the condition of the item, the photo in the ad, and a million more factors the seller may only find a buyer … different types of appraisals . The replacement value insurance appraisal has the least correlation to the actual market value of the jewelry item. So, even though insurance appraisals are commonly available, this would be the least …

  8. Platinum

    … of the metal and none of its volume is lost. In addition to its strength and density, platinum has another remarkable quality – pliability. Platinum is a symbol of true love, purity, rarity and strength. These qualities of platinum are … 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 marks: 950 or PT950. The History of Platinum in Jewelry …

  9. Fake Diamonds: The Great Diamond Attack

    … to justify using them. The technology is becoming more cost effective, and some synthetic diamonds are entering the market place now. Since they are the same chemistry as natural diamond, there is no easy test to use to separate them … diamond suppliers have sophisticated equipment in place to help them catch these impostors before they reach the marketplace. If you’re interested you can learn more about how to tell if a diamond is lab grown . Synthetic gems are not …