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Fine Jewelry University (Show All FJU Articles)
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The Difference Between White Gold and Platinum
Do you prefer learning from videos? We created an in-depth video on the differences between white gold and platinum which you … like. The first difference between white gold and platinum is the most basic and is the foundation of all the other differences. White gold and platinum are different metals. White gold starts out as gold. Gold is yellow. Platinum is … that make them unique. How is 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 …
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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 …. To perform its magic the diamond must be clean. Diamonds are grease magnets. They will pull the oil from your fingers. Soaps and lotions add a coating that stops the light show. Dust and dirt stick to the grease and oils creating a … diamond. Cleaning your diamond jewelry at home is simple and rewarding. Use a soft toothbrush and mild soap then rinse thoroughly with warm water. The key to diamond cleaning is the underneath side or pavilion. The light needs a clean…
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Gem in the Spotlight: Emerald
Springtime exudes life, full of bright colors and renewed energy. Emerald, May’s gemstone, captures this enthusiasm for … elegance. This precious gemstone has been revered for over 4,000 years and is associated with love, fertility, and rebirth. Gemology of Emerald Emeralds are a member of the beryl mineral family (along with morganite and aquamarine) … their rich green color. The intensity of an emerald’s hue depends on the presence of chromium and vanadium in the crystal structure. Emerald’s Mohs hardness rating is 7.5-8 making it softer than sapphire and harder than amethyst and …
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Styles of Earring Backs
Earrings come in many different styles. Here we will explore the more common types of earring backs, highlighting some …pros and cons of each. Maybe you have a style in mind and don’t know the proper name for it. Maybe you are looking for the perfect gift. Maybe you are having trouble with your current earrings and are looking for alternatives. Or maybe… interested in expanding your general jewelry knowledge. Keep reading; we have your answers. Friction Backs (Butterfly Backs) Also called “butterfly backs,” and sometimes “push backs.” These are undoubtedly the most common style of …
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Synthetic Gems: The Whole Story
Ruby, sapphire, emerald and alexandrite are very beautiful gems and very rare in their stunning beauty. These four … and the rich for thousands of years. But, what if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify …Just a one carat gem could cost $3,000 and more. Most of the time people don’t wear them as an engagement ring where people can spend over $10,000 routinely. The answer was to find a less expensive way to have these gems. It took over …
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Gem in the Spotlight: Alexandrite
… source the stone will reflect more of the accent colors of light. Since fluorescent light has a stronger greenish-blue component, the stone appears greener. Under candlelight, which has a much stronger red/orange component, the stone …Emerald by day, ruby by night, more expensive than diamond and more illustrious than sapphire, emerald, or even ruby, … most sought-after gems for the better part of 200 years. But, what makes this stone so special? Gemology of Alexandrite Alexandrite is the extremely rare, color-change variety of a gem species called Chrysoberyl. It appears bluish-…
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Gem in the Spotlight: Spinel
… of all time. Spinel was first made in a lab over 100 years ago when scientists who were trying to synthesize blue sapphire wound up creating spinel by mistake. Since then many processes have been used and perfected to create spinel in …Spinel, the Great Imposter” sounds like the title of an action movie, but it could also be the title of this article. For years … been confused with other gems and even today is often used as a substitute for similar looking stones. In recent years, spinel has started to move out of the shadows and be appreciated in its own right, and we can see why. Its colors …
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The Magic of Polarized Light
… see through the surface of water or only capture the reflection. Modern 3D movies: Unlike old school red and blue 3D movies, modern 3D uses two images along with a pair of glasses that have polarizing filters for lenses. This tricks your…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 …jeweler writing about it? It turns out that polarized light is actually a very useful tool in gemology, and in this article we’ll show you why. What Is Polarized Light? Light from almost any light source travels in many different …
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Gem in the Spotlight: Jade
…and yellowish green. Jadeite can come in many different colors including pink, purple (often called lavender jade), blue, black, white, and the most valuable/desirable color: a vibrant green. The finest of all green jadeite colors is a …Jade has one of the richest heritages of all gemstones. People have been using jade from as early as 6,000 BC, and it has been an … of Asian, Central American, and North American history ever since. But, what is jade, and what has given it such a prominent place in human history? The term “jade” actually refers to two completely different gems: nephrite and …
