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Fine Jewelry University Articles matching: “Blue sapphire ring”

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Fine Jewelry University (Show All FJU Articles)

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

    Gem in the Spotlight: Alexandrite

    Emerald by day, ruby by night, more expensive than diamond and more illustrious than sapphire, emerald, or even ruby, alexandrite has been known around the world as one of the most sought-after gems for the … isn’t the only stone to display color-change phenomena. There are color-change varieties of many gems including sapphire, tourmaline, spinel, garnet, etc. Alexandrite is, however, the most famous for it. It is so famous, in fact, that color-… source the stone will reflect more of the accent colors of light. Since fluorescent light has a stronger greenish-blue component, the stone appears greener. Under candlelight, which has a much stronger red/orange component, the stone …

  2. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    …. Simulants are gems that look like a real, natural gem but are actually another material. So, a clear or white sapphire can be a diamond simulant because it looks like a diamond. That white sapphire can be natural or, here’s the trick, …natural vs synthetic), but that it is a substitute that looks like another gem. So, we can say that a man-made white sapphire is a “synthetic sapphire” or that it can be used as a “diamond simulant,” but it would be incorrect to say that it …

  3. The different parts of an engagement ring

    Anatomy of a Ring

    Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need … ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start … 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. …

  4. Synthetic Gems: The Whole Story

    Ruby, sapphire, emerald and alexandrite are very beautiful gems and very rare in their stunning beauty. These four gems have been … thousands of years. But, what if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify the price. Just a one …to positively identify as synthetic. Both, I feel, are impossible to identify in a piece of jewelry. Synthetic ruby, sapphire, alexandrite and emerald are very complex because there are different ways to make them. The inexpensive way to make…

  5. Polarized light diagram

    The Magic of Polarized Light

    … (DR) and they will split incoming light in multiple directions. Some common examples of doubly refractive gems are sapphire, tourmaline, and moissanite. These are contrasted with singly refractive (SR) gems like diamond that only bend light … see through the surface of water or only capture the reflection. Modern 3D movies: Unlike old school red and blue 3D movies, modern 3D uses two images along with a pair of glasses that have polarizing filters for lenses. This tricks your…

  6. Collection of many different styles of jewelry clasps laid out together

    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 …

  7. Frequently Asked Question about Jewelry

    … professionals must keep up with current advancements in the field. The pace of change in the gem industry is staggering. What is Moissanite? Moissanite is lab-created silicon carbide. It has become an excellent diamond imitation since it…. You can add gems or use less of the gems you already have. Many clients have used the main diamond of the old ring to be a side diamond in the new design. Others have made a few design changes, but it is basically the same look and feel…

  8. How to Sell Jewelry on eBay and Other Websites

    …much less because they buy them so cheap. Unfortunately, they may be your biggest competition when selling online. Don’t be discouraged if it does not sell the first time. The timing may not be right. I know of people who put the same ring up a dozen times before it sells. Patience is needed with online sales, but remember to add this into the price you want for the jewelry. Fraud should be next on your mind when try to sell your jewelry for cash online Be very wary of …

  9. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … 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 for …by the jeweler’s torch. However, with our laser welder we are able to retip prongs next to many gemstones (diamonds, sapphires, and rubies for example) without removing them, saving you time and money. Can my costume and fashion jewelry be …