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Fine Jewelry University Articles matching: “pear cut”

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Fine Jewelry University (Show All FJU Articles)

  1. Old mine cut diamond example

    The History of Diamond Cuts

    … is. The next important diamond cut is the French cut. The French cut is a square or rectangular cut diamond. It appears square when viewed from above because it is based off the octahedral shape of the natural diamond. The French cut has… the four sides of the table are four triangle facets that point towards the corners of the crown. This gives the appearance of a four-pointed star. The pavilion is cut into four main facets. Moving Towards Brilliance The evolution of the…

  2. Peridot is a bright yellow-green gemstone

    Gem in the Spotlight: Peridot

    … for green. Peridot’s color ranges from yellow-green to a warm olive green, and it is distinguished by its soft appearance. Color is the most important characteristic when determining the value of a Peridot gem. The deeper green the …, the higher its value. There is a lot of confusion over the pronunciation of peridot. It is actually pronounced “pear-a-doe” instead of “pear-a-dot” although you will find many, even in the jewelry trade, who use the mispronunciation on …

  3. A group of yellow gold chains of different kinds of a blue background

    Types of Necklace Chains

    … the same as the cable chain except that it features wide, rounded chain links. This gives the chain a heavier appearance and can increase its longevity and strength to some extent. It shares many of the same pros and cons as the standard… a light, airy feel. These chains will be often be diamond cut which gives them an even more lively and glittering appearance. Diamond cutting on a chain means there are small notches that are cut into the links and brightly polished. …

  4. Evaluating inherited estate jewelry can be tricky

    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 …

  5. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or Amber (both 2.5) to find a commonly used gem that is softer than opal. Common Opal Treatments There are several … 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 …

  6. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    … be synthetic. This is a fairly recent discovery as many low cost, high quality, deeply colored amethysts are now appearing in inexpensive jewelry. Because the cost of testing is higher than the cost of even the natural stones it is not …

  7. Polarized light diagram

    The Magic of Polarized Light

    …looking at the facet junctions on a moissanite. 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 … of the images disappears; as you rotate the polarizing filter the current image disappears and the second image appears. This is because the two images are transmitted at different angles, and the polarizing filter only allows one angle …

  8. A group of tanzanite loose gems and rings

    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 …

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

    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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