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Fine Jewelry University Articles matching: “925gnd princess cut”
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The History of Diamond Cuts
… the precious stones, but of all human possessions.” said by Pliny, the Roman historian. The story of the diamond cut is the story of humankind’s love of diamonds and our quest to unlock their true brilliance. Before Diamond Cutting The … together at the base. Naturally, the first attempts to enhance diamonds were to polish the natural gem. The “point cut” is the polishing of a natural octahedral diamond. Interesting fact #1 about diamond cuts: cutting a gem is the …
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Gem in the Spotlight: Tanzanite
… value of tanzanite are its hue and how deep the color is. Less important, but still part of the equation, are the cut and clarity. As with all colored gems, the value of tanzanite comes from its color. Tanzanite has a Moh’s hardness of … inspired by the second-highest peak of Mount Kilimanjaro. The Mawenzi Tanzanite is expected to stay in Tanzania for cutting and polishing, with the best pieces eventually showcased at the Tanzania National Museum. The Queen of …
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Alternative Metals for Men’s Jewelry
… of nature. There are some potential cons to wearing a titanium ring that you should consider. Titanium rings can be cut off with a diamond-tip ring cutter, but because of their very high strength, Titanium rings are much more difficult … be a big problem depending on where you buy your tungsten ring. Because they are so hard Tungsten rings cannot be cut off by standard jewelry cutters, but they can be removed in case of an emergency. The trick is to apply pressure …
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Gem in the Spotlight: Quartz
… you looked at the title and knew). Quartz is one of the most common minerals on earth. Many quartz varieties are cut into gemstones, but some varieties are very rare. Some are ordinary like rock quartz, others are exotic like Drusy … Spain where it was once held, is the largest faceted citrine gemstone. The stone was found in 1990, and remained uncut until 2009 due to the the difficulty of faceting such a large stone. Finished, this flawless gem weighs 20,200 carats…
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The Magic of Polarized Light
… are a few of the places you will find polarizing filters in everyday life: Sunglasses: Polarized sunglasses help cut through reflections in water and glass so that we can see easier. Camera lens/filters: Polarizing lens filters reduce … only allows one angle to pass through at a time. This helps confirm that a stone is doubly refractive and not just cut with unusual, doubled facet junctions. The Elegance of the Polariscope Another gemological tool that uses polarized …
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Caring for and Cleaning Your Jewelry
… spot can chip or break the stone. This does not mean that diamonds are not very durable. They are the most durable of all gems. In fact diamonds have been through a lot of stress before they reach you. The mining process and cutting tests the stone long before it reaches you. With conscious care, the diamond can last for generations just as beautiful as the day you got it. Diamonds can withstand most chemicals, unfortunately the metal jewelry cannot and will be …
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Art Deco vs. Art Nouveau Style Jewelry
… white gold and platinum were quite common as well. The diamonds used in Art Nouveau jewelry were typically Old Mine cuts, but Old European cut stones were also included as they became more popular. In contrast, Art Deco arrived in the …, emeralds, and sapphires, were the materials of choice for Art Deco jewelry makers. The most prevalent diamond cut found in Art Deco jewelry is the Old European cut, but some pieces still incorporated Old Mine cuts or transitional cuts…
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How to Value Inherited Jewelry
…operations. The intrinsic values for the gems are based on the cash wholesale price of the gem minus any cost for re-cutting or re-polishing the gem if it is worn or cut in an obsolete style. Intrinsic diamond and gem prices are not …
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Gem in the Spotlight: Opal
… a good time to discuss doublet and triplet opals. These 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 set into jewelry. In triplets, that thin piece of opal is sandwiched between a piece of onyx and a clear piece of laboratory grown quartz (the same material that is commonly used …
