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Fine Jewelry University Articles matching: “silver single stone”
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Platinum
… metal in the rivers of Equador. Not realizing its superb qualities, they named it contemptuously platina (little silver) and threw it back into the river to ripen into silver. In 1912 white gold was “invented” in Pforzheim, Germany, as a … 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. Platinum’s purity makes it …
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What Are Lab Grown Diamonds?
… fully, it helps to understand a little bit about how lab grown diamonds are made. There are two techniques to grow single crystal diamonds. The first and oldest is the High Pressure High Temperature (HPHT) technique. This process starts … than diamond and different optical properties. For example, Moissanite is double-refractive whereas diamond is single-refractive. Since Moissanite tests like diamond (due to its heat dispersal properties), people think it is diamond or …
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Gem in the Spotlight: Aquamarine
… to banishing fears and phobias. Aquamarine is a universal symbol of youth, hope, and health. In ancient times, the stone was said to aid seafarers. Sailors often wore amulets of aquamarine to give them courage and tame the ocean waves. …friends.” Another saying is, “to wear aquamarine earrings brings love and affection.” Aquamarine as a precious stone has always been popular. In ancient times, the aquamarine was believed to instill courage in those who wore them. Ancient…
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Art Deco vs. Art Nouveau Style Jewelry
…stones to create pieces that were not just adornments but works of 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 …-1930 Key Aesthetic Organic, flowing lines, nature Geometric symmetry, bold contrast, simplicity Materials of Choice Silver, semi-precious stones, enamel Platinum, diamonds, emeralds Prominent Designers Louis Comfort Tiffany Cartier, Van …
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Fake Diamonds: The Great Diamond Attack
… the ability to identify Moissanite. More on Moissanite Moissanite also has some gemological properties (it is a DR stone while diamond is a SR stone) that help identify it, but labs are working to change the nature of the stone. It has a …them apart. Gemologists must use all their experience and training to find the smallest of clues to determine if the stone is of natural or manufactured origin. It can be done well with careful observation. Keep in mind, however, that the …
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The Magic of Polarized Light
… Polarizing filters are critical to many fields of study. Without them, we wouldn’t be able to easily identify gemstones, TVs and monitors wouldn’t work in the same way, and the latest blockbuster movie wouldn’t pop off the screen the way … them to function efficiently as they do without negative side effects. Using Polarized Light in Gemology Some gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (DR) and…
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Learn Secret Diamond Buying Skills From a Professional Diamond Buyer
… are any magic moments in life, that is one. Nothing expresses love and commitment like a diamond. This rare natural stone‘s history and lore of romance makes all who receive one the center of their universe. A diamond’s beauty energizes …. The cut “C” of the 4 C’s has two components. The first component is simple. The cut can refer to the shape of the stone. Round, Marquee, Pear, Oval, Square, and Princess all describe the shape of the gem. Round diamonds are by far the …
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Gem in the Spotlight: Iolite
Iolite is maybe not the first gemstone people think of for their blue-violet jewelry, but it should be near the top of the list. Iolite’s color range of … popular gems, iolite cannot be heat treated to enhance its color. The color you see is the natural color of the stone when it was first discovered. This adds value to many gem buyers who don’t want a treated gemstone. Color Me Impressed … is caused by differing absorption of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. The process works because of the ability of a gem to absorb different wavelengths of transmitted …
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Gem in the Spotlight: Emerald
Springtime exudes life, full of bright colors and renewed energy. Emerald, May’s gemstone, captures this enthusiasm for life in rich elegance. This precious gemstone has been revered for over 4,000 years … quartz varieties. The refractive index of emerald ranges from 1.57 to 1.58, making it a moderately refractive gemstone. Its specific gravity ranges from 2.65 to 2.75. One of the distinctive features of emeralds is that they often contain … are referred to as jardin (the French word for garden) because they look like moss or a garden inside of the stone. These inclusions are tiny fissures, bubbles, or crystals that are visible to the naked eye. These inclusions are not …
