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Fine Jewelry University Articles matching: “diamond replacement”

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Fine Jewelry University (Show All FJU Articles)

  1. Frequently Asked Question about Jewelry

    … industry is staggering. What is Moissanite? Moissanite is lab-created silicon carbide. It has become an excellent diamond imitation since it gives a positive reading on a thermal inertia testers (diamond testers). Some people use this … diamond buyer out of their money. What is the difference between a Diamond Certificate and an Appraisal? A Diamond Certificate is a document issued by a Gemological Laboratory describing a Loose Diamond. The laboratory will not issue …

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

    Types of Jewelry Clasps

    …, there are a wide variety of clasps, each with its own purpose and unique design. Whether you are searching for a replacement for a broken clasp or just looking to learn more about them, this article is for you. History of Jewelry Clasps …their compact size and circular design. If you have trouble operating your spring ring, a lobster clasp is a natural replacement. Box Clasp (Tongue and Groove Clasp) Commonly found on bracelets and larger necklaces the box clasp is a high …

  3. Rough lab grown man made diamonds

    Is a Lab Grown Diamond Right for Me?

    Picking a diamond for your engagement ring is a big decision. For most of us, buying a diamond is a significant financial undertaking… don’t have (anyone remember their refractive indexes from high school physics?). Even more unfortunately, the diamond industry suffers from a lot of misinformation and paranoia both from inside the trade and from outside observers. I have … conflict diamonds (both wild falsehoods). On the other hand, I have heard some in the industry refer to lab grown diamonds as fakes (also completely false). We’re here to help cut through some of the rhetoric, so you can make an informed …

  4. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    … 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 …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 …

  5. A group of yellow gold chains of different kinds of a blue background

    Types of Necklace Chains

    …While figaro chains can usually be repaired easily, if a link is lost is can be difficult to find or create an exact replacement. Anchor Link Chain (Mariner) The anchor link chain or mariner chain is another classic variation on the curb chain … one of the most durable chain designs there is. Each twist on these chains reflects light easily and when they are diamond cut they are extremely sparkly. Although most chain styles can come in a hollow link version, for rope chains, hollow…

  6. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    In the simplest terms, lab grown diamonds are diamonds that have been made by people instead of mined out of the earth. If it’s so simple, you might wonder …this sentence. The complexity arises from the fact that lots of different terms have been used to describe lab grown diamonds and their cousins, and not everyone uses these terms in the same way. So, let’s begin with some vocabulary. … mean man-made, copied, unreal, or even imitation. But, in this context, what do we mean when we say “synthetic diamond”? In the gemological world, synthetic is a highly technical term. When speaking technically, synthetic gems are man-made …

  7. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    The dream of making a beautiful and valuable diamond from simple carbon has long captivated the imagination of scientists and visionaries alike. Just like the alchemists…, many have tried to achieve this impressive feat. We have only recently been able to produce gem quality, lab grown diamonds that are large enough to be used in jewelry. But, how is it done? Early Efforts Throughout history, many people …. Henri Moissan was one of the early pioneers in the field. In 1893, he claimed to have successfully made a diamond by heating charcoal to 3,500 degrees Celsius inside a carbon crucible. Many attempts were made to reproduce his techniques …

  8. 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 … and lotions add a coating that stops the light show. Dust and dirt stick to the grease and oils creating a lifeless diamond. Cleaning your diamond jewelry at home is simple and rewarding. Use a soft toothbrush and mild soap then rinse … key to diamond cleaning is the underneath side or pavilion. The light needs a clean surface to bounce upward. The diamond may need to be scrubbed several times before all the build up is removed. Some don’ts of jewelry cleaning. Never use …

  9. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    …ht. History and Lore Topaz in its pure form is naturally colorless, clear like a diamond. The famous “Braganza Diamond” was thought to be the largest diamond ever found (prior to the Cullinan Diamond) at 1,680 carats and was set in the Portu… to put coatings on lenses for glasses and cameras. It is also one of the processes that is used to create lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic…

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