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Fine Jewelry University Articles matching: “Black diamond engagement ring”
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Fine Jewelry University (Show All FJU Articles)
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What are “Blood Diamonds”?
Conflict diamonds are diamonds illegally traded to fund conflict in war-torn areas, particularly in central and western Africa. The … action in opposition to those governments, or in contravention of the decisions of the Security Council.” These diamonds are sometimes referred to as “blood diamonds.” In July 2000, the global diamond industry made clear to the … the Kimberley Process Certification System. This system was formally adopted in 2003 and guards against conflict diamonds entering the legitimate diamond supply chain. The diamond industry also adopted a voluntary System of Warranties to …
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Frequently Asked Question about Jewelry
…SI3 grades. What is a Comfort Fit Ring? Many diamond wedding rings are available in a comfort-fit style. Comfort-fit engagement rings have extra metal to make the inside of the band slightly domed, resulting in a very comfortable fit. Comfort-… in a more comfortable fit. This might result in the feeling that the ring feels “looser” in the finger. Diamond engagement rings with a comfort fit design have an oval cross section with very smooth rounded edges, giving them the comfort-fit …
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What to Do When Your Ring Irritates Your Skin
Nothing is more frustrating than being unable to wear your engagement ring or other jewelry because it irritates your skin. Don’t worry. There are many options you have when faced with …try a new design. We do custom jewelry design , and one of our favorite projects is to take the raw materials (gold, diamonds, gemstones, etc.) from a client’s existing ring and use them to make a new and exciting creation. We can reuse the … which can begin hours or even days after contact and may last for several weeks. Some people’s skin even turns black or green when they wear certain jewelry. One of the most common metal allergies is Nickel which is added to pure gold in …
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Anatomy of a Ring
…. In fact, like cathedrals, they can even help protect the center stone from damage. If you are shopping for a halo engagement ring, first look for the overall shape of halo that you like (e.g. round, cushion, square, something else), and then … two straight pieces of metal on either side of it (this style is most commonly seen with square or princess cut diamonds). As you may have guessed, all styles of head can wear thin over time and may need to be built up by a jeweler. When …
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Gem in the Spotlight: Opal
… commonly used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: Diamond 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or… for long enough. A white opal can be darkened to have a gray body color, and gray opals can be darkened to have a black body color. A gemologist with right training and equipment will be able to detect this treatment. Opals can also …
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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 …
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The Difference Between White Gold and Platinum
… its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. The white color is achieved by a careful choice of the alloying … because if you don’t like the light yellow look of a specific manufacture, then don’t buy it. New white gold rings are usually coated with a hard protective finish of rhodium, a silver-white metal like platinum. The rhodium plating is …
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Gem in the Spotlight: Iolite
… different colors when observed at different angles, especially with polarized light. Pleochroism is caused by differing absorption of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. … than Emerald or Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in situations where it might be hit against hard objects to keep it free from cracks and small chips. Iolite is a …
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Gem in the Spotlight: Tourmaline
… as their concentration, different colors will be present. Copper, manganese, chromium, and vanadium are the key coloring agents in tourmaline. Another unique facet of tourmaline is its ability to become electrically charged in certain … with opal, tourmaline is October’s birthstone. Care and Cleaning of Tourmaline Tourmaline makes a great gem in a ring for occasional wear or a pendant/earrings for daily wear. Because it isn’t exceptionally hard (Mohs hardness of 7-7.5…
