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Fine Jewelry University Articles matching: “Split Shank Ring”
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Fine Jewelry University (Show All FJU Articles)
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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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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: Pearl
… changed hands many times, and was owned by several famous figures, including Napoleon III and Elizabeth Taylor. During Taylor’s ownership, the pearl was set into a necklace designed by Cartier, which also included diamonds and rubies. … once part of a larger piece of jewelry that also included the Hope Diamond, and that the two gems were separated during the French Revolution. Today, the Hope Pearl is owned by a private collector and is occasionally displayed at museums…
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How Are Lab Grown Diamonds Made?
…. There are three basic manufacturing processes used to make HPHT diamonds: the belt press, the cubic press, and the split-sphere (BARS) press. The goal of each process is to create an environment of extremely high pressure and temperature…technology has been constantly advancing. Belt press designs have been dramatically scaled up, more modern cubic and split-sphere presses have been introduced which are more efficient, and larger, more perfect gems are being produced. As …
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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 this …but their root causes and solutions are very different. Physical Irritation This can be caused by the design of the ring, a rough area that is the result of normal wear and tear, or a ring that is not sized correctly. If the ring is too … irritation and the solution may simply be to size the ring up slightly. Likewise, if there is a rough spot on the ring, that can normally be smoothed out by a jeweler. Changes in diet can dramatically affect our finger sizes. So, if the …
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Gem in the Spotlight: Topaz
…: 8 Care and Cleaning Even though it’s tough to scratch, you should protect your topaz from hard knocks. It can be split with a single sharp blow, a trait it shares with diamond. Clean with mild dish soap; use a toothbrush to scrub behind …
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The Magic of Polarized Light
… unique chemical structure, actually polarize light themselves. These gems are doubly refractive (DR) and they will split incoming light in multiple directions. Some common examples of doubly refractive gems are sapphire, tourmaline, and … with singly refractive (SR) gems like diamond that only bend light in one direction. Gemologists use the term birefringence to refer to how doubly refractive a particular gem is. By far the most common use of polarized light in gemology …
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Frequently Asked Question about Jewelry
… others waited until over 50 years. The reasons to redesign range widely: the ring is worn out (it would need a new shank and all new heads), the style is not right for me now, or, the very popular reason, going bigger/upgrade time. Does … 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…
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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, and we want to get it … are conflict free, and you can buy verifiable Canadian diamonds of known origin if you want), it is still reassuring to know that with lab grown diamonds, you can be totally confident that your diamond did not support wars or child labor… economy of the host country. Often times, these countries are impoverished, and the jobs and income that the mine brings can help elevate many people out of poverty. Lab grown diamonds are not one-of-a-kind in the same way that natural …
