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Fine Jewelry University Articles matching: “black diamonds”
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Alternative Metals for Men’s Jewelry
… a smooth glossy finish. It also can be made in almost any color possible. Ceramic rings are available in stunning black to very creative colors and can be found in a variety of finishes from matte to highly polish. Overall, ceramic … element which begins with a silver color. Zirconium is then heat treated and exposed which oxidizes it to a rich black color. The oxidization layer feels much like a ceramic and is as hard as sapphire. The black color is permanent. It …
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Gem in the Spotlight: Opal
… 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 …gems are manufactured using a thin slice of natural opal. In doublets, a lapidarist will use a piece of ironstone or black onyx and glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be …
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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 international… 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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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. …. The same cannot be said of the many imitation or fake gems that are often, incorrectly, described as synthetic diamonds. This misrepresentation has seriously confused what the term “synthetic” means, and it’s why most producers of man-made …
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Gem in the Spotlight: Quartz
…more than its fair share of misnomers. One famous one is “Alaska Diamond” for rock crystal alongside “Herkimer Diamonds” (see below). In recent times, the term “Green Amethyst,” which was commonly used for Prasiolite, has come under fire. It … (yes you read that correctly) slab of natural clear quartz and is one of the largest clusters ever found. Herkimer diamonds are a famous type of quartz not for their rarity, but for their ability to pass for diamonds to the untrained eye. Of…
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Fake Diamonds: The Great Diamond Attack
… they were someone and the contestant would try to find out who was the real person. Technology has created many new diamonds and diamond lookalikes. “What is a real diamond?” is a difficult question these days. And the problem of separating …carbon element) and crystal structure (cubic) as natural diamond but made in a factory. Yes, they can make synthetic diamonds and have for many years now. Most are used in the manufacturing of tools like diamond tip drills. Synthetic diamond …
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How Are Lab Grown Diamonds Made?
…, 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 have… his techniques with some reported successes, but none could ever be scientifically verified. The quest continued. Diamonds are a crystalline form of carbon, and so making artificial carbon crystal was the problem of lab grown diamonds. For …
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Gem in the Spotlight: Pearl
… Taylor. During Taylor’s ownership, the pearl was set into a necklace designed by Cartier, which also included diamonds and rubies. The La Peregrina pearl is one of the largest and most perfectly symmetrical natural pearls in existence. It … quality, and today they are very difficult to tell apart from their saltier cousins. Tahitian Pearls: Also known as black pearls, Tahitian pearls are a type of saltwater pearl that are grown primarily in French Polynesia. They are known …
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Is a Lab Grown Diamond Right for Me?
…, buying a diamond is a significant financial undertaking, and we want to get it right. Unfortunately, understanding diamonds takes a lot of specialized knowledge that most people don’t have (anyone remember their refractive indexes from high… and paranoia both from inside the trade and from outside observers. I have heard people say that natural diamonds come with a 400% mark up, or that most mined diamonds are conflict diamonds (both wild falsehoods). On the other hand, I have …
