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Fine Jewelry University Articles matching: “heart shaped”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Amethyst
… stones it is not often performed. Beware of stones of perfect clarity, calibrated sizes, and precision cutting. Notable Stones One of the most famous amethyst stones is in The Morris Amethyst Brooch which is set with a large 96 carat heart shaped amethyst. It resides in the collection of the Smithsonian Institution, National Museum of Natural History. The amethyst was most likely mined in Brazil and exhibits a deep, rich purple color. Amethyst also naturally occurs as geodes (…
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Gem in the Spotlight: Pearl
… Jewels. The Hope Pearl is known for its large size and unusual shape. It weighs approximately 450 carats and is shaped like a teardrop, with a slightly elongated top section and a wider, more rounded bottom section. The pearl has a … of shapes, from round to teardrop to baroque. Round pearls are typically the most valuable, while irregularly shaped pearls are generally less valuable unless they are very rare like the famous natural pearls we have discussed. Pearls come…
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The History of Diamond Cuts
… off the octahedral shape of the natural diamond. The French cut has just 9 crown facets, with the square or rhombus-shaped table facet diagonal to the square of the crown. At the four sides of the table are four triangle facets that point … round brilliant have come and gone each claiming to surpass it in some way. None have captured our imagination or hearts the way the modern round brilliant has. It has been and remains the most frequently chosen diamond cut for engagement…
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What Are Lab Grown Diamonds?
…are man-made diamond simulants. It is important to reiterate here that just because a material can be used as a diamond simulant does not make it a “fake” or a bad thing. YAG, for example, is a very useful crystal that lies at the heart of our laser welder . The most popular diamond simulant by far today is synthetic Cubic Zirconia (CZ) . It is cheap to produce and sparkles very brilliantly. It is a great example of a synthetic gemstone that is a diamond simulant. CZs …
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Gem in the Spotlight: Emerald
… known for its clarity and rich green color. It was donated to the Smithsonian by Mr. and Mrs. O. Roy Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and Cleaning of Emerald Like all precious gemstones, emeralds require proper care to maintain their brilliance …
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Gem in the Spotlight: Opal
… and strong. Doublets and triplets are much less expensive than other forms of opals because you only need a paper thin slice to make them. History and Lore of Opal Opal’s rich history is intertwined with beliefs and legends that have shaped its significance across cultures for centuries. In ancient Greece, opal was regarded as a stone of foresight and prophecy, believed to offer its wearer a glimpse into the future. The Romans, on the other hand, saw opal as a symbol of …
