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Fine Jewelry University Articles matching: “Tiffany co”
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The History of Diamond Cuts
One of the earliest recorded statements about diamonds is: “the substance that possesses the greatest value, not only among the precious … rose cut or rosette cut. The rose cut looks like half a diamond to modern eyes. It has anywhere from 3 to 24 facets coming to a point in the middle. But its most recognized aspect is the flat bottom. Basically, it is a crown without a … 3 facet rose cut looks a lot different than a 24 facet rose cut. Some cuts can vary by multiple facets and still be considered properly cut. With other cuts even changing 1 facet would result in the diamond being labeled a miss-cut (…
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Fake Diamonds: The Great Diamond Attack
A popular game show would have three people all say that they were someone and the contestant would try to find out who was the real person. Technology has created many new diamonds and diamond … demanding. So what is a real diamond? Let’s start with the older diamond look a likes, (CZ, GGG, YAG, Synthetic corundum and spinal, Glass) or simulants are quite easy to separate. The diamond tester and understanding gem properties … science has developed a man made gem that can fake out the standard diamond tester. Moissanite is lab-created, silicon carbide, and it gives a positive reading on a diamond tester. But science fights back with a Moissanite tester. This…
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Diamond Buying Guide: The 4 C’s
… to fit. Unless you work in the jewelry trade, it can be hard to know what size you want. The photo above shows some common diamond carat weights and how they look in comparison to each other. Cut The Cut of a diamond has two main … most popular diamond shapes. There are many more shapes than we can list here and there are even variations on the common shapes with more facets or different facet patterns. When you are choosing a diamond shape, keep in mind that …
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How to Tell If a Diamond Is Natural or Lab Grown
… with lab grown diamonds, you might want to check out our introduction to lab grown and synthetic diamonds before continuing with this article. So, now you know that lab grown diamonds are just as real as natural diamonds, but we still …. But, with lab grown diamonds, the chemical structure and properties are all the same as natural diamond, so it becomes much more difficult to differentiate them. Responsible Disclosure The first thing to realize is that most lab grown…
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The Difference Between White Gold and Platinum
…white gold made? White gold is an alloy of gold and some white metals such as silver, nickel or palladium. The white color is achieved by a careful choice of the alloying metals, which bleach the deep yellow of pure gold. The amount of …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 metals, which bleach the yellow of pure gold. Platinum is a …
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Caring for and Cleaning Your Jewelry
…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 perform its magic the diamond must be clean. Diamonds are grease magnets. They will pull the oil… times before all the build up is removed. Some don’ts of jewelry cleaning. Never use chlorine or products that contains it. Don’t use a hard toothbrush because they tend to scratch the metals (gold, platinum, etc.). Abrasive cleaners …
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The Magic of Polarized Light
We use polarized light on a daily basis when we put on our sunglasses, turn on our TV, or sit down at our computer. But, what is polarized light exactly, and why is my jeweler writing about it? It turns out that polarized …Polarized light, on the other hand, has all of the vibrations and rays going in the same direction. One of the most common occurrences of this in nature is sunlight reflecting off of the water. When the light bounces off of the surface…, and some of them reflect. In a lab we typically polarize light by using a polarizing filter. These filters have a coating on them applied in such a way that all of the molecules are aligned with each other so only a certain …
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Gem in the Spotlight: Amethyst
Amethyst is known for its beautiful purple color, and it is the most important quartz variety used in jewelry. Purple has long been considered a royal color, so … that amethyst has been in so much demand throughout history. Gemology Amethyst is a variety of quartz that is colored by the presence iron and aluminum. The violet color of amethyst can range from a pale lavender to a deep, dark purple… is typically found in Brazil, Uruguay, and Madagascar, but it can also be found in smaller deposits in other countries such as Russia, the United States, and Canada. Amethyst is known for its durability with a Mohs hardness rating of 7…
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Art Deco vs. Art Nouveau Style Jewelry
… highly sought after by collectors for its rarity, craftsmanship, and artistic merit. Here in America, Louis Comfort Tiffany, was one of the most well-known practitioners of the Art Nouveau style. His jewelry and glass work are … of Choice Silver, semi-precious stones, enamel Platinum, diamonds, emeralds Prominent Designers Louis Comfort Tiffany Cartier, Van Cleef & Arpels Main Diamond Cut Old Mine Cut Old European Cut Final Words Art Nouveau and Art Deco …
