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Fine Jewelry University Articles matching: “flower leaf nature”
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Fine Jewelry University (Show All FJU Articles)
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Understanding the Diamond Buying Game
… by grading laboratories is thought to make diamonds a commodity. Again the dream is not the reality. The nature of diamonds is that every diamond is unique. Diamond reports don’t tell the whole story. First, it is well known that not all … has fluorescence is an issue. And if the fluorescence has a negative impact on the diamond is another question. The nature and position of the inclusions can have a big impact on diamond value as well. All these issues impacting value are …
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Fake Diamonds: The Great Diamond Attack
… properties (it is a DR stone while diamond is a SR stone) that help identify it, but labs are working to change the nature of the stone. It has a Mohs hardness of 9.25, excellent toughness, refractive index of 2.65, dispersion of 0.0104, … one of those words. Synthetic, in the gem world, means made of the same chemicals (elements) and crystal design as nature but is man made. So, a synthetic diamond is the same chemistry (carbon element) and crystal structure (cubic) as …
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Synthetic Gems: The Whole Story
… expensive way to have these gems. It took over a hundred years and millions of dollars of research to create what nature can produce. Man made gems come in many forms. Every thing from simple glass to plastic to high tech chemical tongue … money to make a synthetic gem is because it is very good. These high priced synthetic gems look very much like the nature gems. The color and sparkle of these synthetics look like the best nature can produce. This is sometimes the first …
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What Are Lab Grown Diamonds?
…Temperature (HPHT) technique. This process starts with a seed of diamond material and grows a full diamond just like nature does under extremely high pressure and temperature. The newest way to grow synthetic diamonds is the Chemical Vapor … gem, and if they are not clearly disclosed as simulants they are considered fakes. A white sapphire is not, by nature, a fake (in fact it is a beautiful and highly valuable gem). But if it is being sold as a diamond, it becomes a fake. …
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Gem in the Spotlight: Morganite
… of elegance. It is not a very well-known gem, but it definitely should be. It is pastel or pale in color by nature and known for its transparent peach-pink hue though it also occurs as soft pink, violet-pink, or pale salmon. It is the …
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How Are Lab Grown Diamonds Made?
… rubies, sapphires, and emeralds. It failed. Then they had the idea to grow diamonds in the lab like they grew in nature. High Pressure High Temperature Diamonds How does nature form diamond crystals? Nature does it very deep underground. … them up to where humans can find and mine them. The first successful synthetic diamonds were made by mimicking nature with High Pressure/High Temperature (HPHT) manufacturing. There are three basic manufacturing processes used to make HPHT…
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Diamond Brokering
… difference in a diamond impacts the price significantly. Our expert guidance system helps: Understanding the basic diamond value system Understanding the expert diamond evaluation system Inform in technical or layman’s terms the true nature of the diamond Years of expertise as a diamond buyer and wholesale seller Finding our clients the best value drives us. Our brokerage has links to hundreds of diamond importers, wholesalers, dealers and traders. We use high-tech means…
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Art Deco vs. Art Nouveau Style Jewelry
… natural world into artistic design, emphasizing flowing lines, asymmetrical forms, and motifs inspired by plants, flowers, and the human form. Art Nouveau, also referred to as Jugendstil and Stile Liberty among many other monikers, simply … pieces still incorporated Old Mine cuts or transitional cuts. Design Principles Art Nouveau takes inspiration from nature and eschews rigid adherence to symmetry and balance. Organic Forms: Art Nouveau jewelry features sinuous, curving …
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How to Tell If a Diamond Is Natural or Lab Grown
…. One of the best indicators of whether a diamond is lab grown is whether or not it is a Type IIa diamond. Type IIa is actually a gemological variant of the diamond that relates to how pure the carbon is that makes up the diamond. In nature, less than 2% of all diamonds are Type IIa, however, most gem quality lab grown diamonds are Type IIa. So, if a diamond is Type IIa, that’s a pretty good indication that it is lab grown. However, like any gemological test, the Type IIa…
