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Fine Jewelry University Articles matching: “black fire opal diamond ring”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Sapphire
… contains several sapphires. One of them, the Saint Edward’s Sapphire, is a large sapphire set in the center of a diamond cross on top of the British Imperial Crown. According to legend, Edward the Confessor, King of the Anglo-Saxons from …, green, orange, and golden yellow are magnificent in any jewelry. See More on Etsy › With the exception of the diamond, which measures 10 on the Mohs scale, sapphire and ruby (9 on the Mohs scale) are the toughest and most durable gemstones…
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Jewelry Repair FAQ
… just the way it did before a gemstone fell out; who wouldn’t? That’s why we have literally 100s of carats of loose diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a replacement …the way it used to again. What is retipping, and why do I need it? In a large number of jewelry pieces, the valuable diamonds and gemstones are held in place with prongs. With wear, the tops of these prongs can become worn down. If the …
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How to Value Inherited Jewelry
… lower than even the intrinsic value of a piece. We have even heard of cases where a ring with a one carat diamond and $50 in scrap gold was valued at $50 by these operations. The intrinsic values for the gems are based on the cash wholesale… 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 readily available like precious metal prices are to the general public. The gold, platinum, …
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Platinum
…white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. …the strongest and most enduring metals. Some of the world’s greatest treasures are set in platinum, such as the Hope Diamond. It is also one of the heaviest, weighing 60% more than gold. The word platinum sometimes enjoys a cachet higher …
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The Magic of Polarized Light
…refractive gems are sapphire, tourmaline, and moissanite. These are contrasted with singly refractive (SR) gems like diamond that only bend light in one direction. Gemologists use the term birefringence to refer to how doubly refractive a … and our day-to-day lives. We hope you enjoyed this article, and remember that if you are in the market for a new diamond or gemstone our trained gemologists have the tools, understanding, and experience to help find the …When looking through a microscope two images of the facet junction appear. This is because the stone has a high birefringence (i.e. a high amount of double refraction). When you hold a polarizing filter over the stone one of the images …
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Art Deco vs. Art Nouveau Style Jewelry
…art. Many Art Nouveau jewelry pieces were made in silver, but 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 … and the Machine Age. Precious metals like platinum and white gold alongside rare and valuable gemstones such as diamonds, emeralds, and sapphires, were the materials of choice for Art Deco jewelry makers. The most prevalent diamond cut …
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How to Sell Jewelry on eBay and Other Websites
… of your jewelry especially a nice gem because they could return it with a different gem (they could switch the diamond with a lower grade or even a CZ and claim that is what they got). If you use eBay, you have to be found, do the research …’t be discouraged if it does not sell the first time. The timing may not be right. I know of people who put the same ring up a dozen times before it sells. Patience is needed with online sales, but remember to add this into the price you …
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Laser Jewelry Repair
… is now possible with Arden Jewelers’ laser. The laser can also help Angelo create very complicated pieces and diamond intensive pieces in his designer lines and custom jewelry. Our master jewelers and a laser can fix even costume jewelry …with a laser. Now Arden jewelers can help our clients take the personal jewelry out of the storage box, fix it, and bring that sentiment back into their life. Jewelry is a very personal item in our lives sometimes monetary worth has …
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Gem in the Spotlight: Alexandrite
Emerald by day, ruby by night, more expensive than diamond and more illustrious than sapphire, emerald, or even ruby, alexandrite has been known around the world as one of the…. It appears bluish-green in daylight, fluorescent light, and some LED light. Under incandescent light, candle, and firelight, alexandrite appears purplish-red. This is because of how the trace element chromium interacts with alexandrite’… component, the stone will appear redder. Alexandrite has a refractive index of 1.746-1.755 with an average birefringence of .010. It has a specific gravity of 3.73 and a Mohs hardness of 8.5. Because of its high hardness, alexandrite is …
