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Fine Jewelry University Articles matching: “Black diamond engagement ring”

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Fine Jewelry University (Show All FJU Articles)

  1. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    …ht. History and Lore Topaz in its pure form is naturally colorless, clear like a diamond. The famous “Braganza Diamond” was thought to be the largest diamond ever found (prior to the Cullinan Diamond) at 1,680 carats and was set in the Portu… to put coatings on lenses for glasses and cameras. It is also one of the processes that is used to create lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic…

  2. Blue Zircon loose gems and jewelry

    Gem in the Spotlight: Blue Zircon

    … of zircon creates one of the liveliest displays found in any colored gem. In fact, before any of the manmade diamond simulates were made, the colorless version of zircon was used in jewelry to mimic diamond. Why? Natural zircon is known for…, brown, or red variety of Zircon. Jargon is the colorless, pale gray, or pale yellow variety of Zircon. Matura Diamond is another trade name for colorless Zircon. Starlite is the name for the blue gem variety of Zircon. The color of …

  3. Collection of sapphire jewelry and loose sapphire gemstones in many colors

    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…

  4. Evaluating inherited estate jewelry can be tricky

    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, …

  5. Polarized light diagram

    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 …

  6. A group of art deco and art nouveau rings together

    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 …

  7. 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 …

  8. Lasers are now used for jewelry repair

    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 …

  9. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    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… 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 … alexandrite’s tremendous value and rarity, it is recommended to be worn carefully or put in jewelry such as earrings or pendants that are less prone to impacts than rings, for example. Alexandrite isn’t the only stone to display color-…