The mysterious natural colored gemstones bring luck to people and help people realize their wishes, so it is considered a lucky stone with strong positive energy. These lucky stones have appeared in human history, playing various roles, and have left colorful colors in human history. This issue of Baolong Colored Gem Knowledge Classroom will tell […]
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Irradiation The alteration of a gemstone’s color through the use of radiation. Ceci est souvent suivi d'un processus de chauffage. The enhanced color of irradiated gemstones is permanent. New And Future Technologies Techniques for enhancing colored gemstones, soit détectable, soit autrement, sont continuellement développés. Cela peut être difficile, ou dans de rares cas, impossible to […]
Heat Treatment The application of heat to enhance the color and/or clarity of gemstones has been a common practice around the globe for centuries. It is part of the standard polishing and finishing process for many colored gemstones. En tant que tel, it is accepted by the jewelry industry and the American Gem Trade Association. The enhanced […]
Blue Nile’s colored Gemstone Enhancement Policy Blue Nile offers consumers only the highest quality, authentic gemstones. Our colored gemstones undergo rigorous internal inspections by our trained gemologists to ensure they meet our stringent quality standards. Due to their rarity and unique visual properties, nearly all colored gemstones sold at fine jewelers, including Blue Nile, sont […]
Different Densities The carat weight of a gemstone does not necessarily allow you to accurately envision the size of the gemstone. Different gemstones have different densities (mass per unit volume), so two gems that appear to be the same size may actually have very different weights. Par exemple, a ruby is more dense than a […]
Gemstone Cut Look at the gemstone in the setting and ensure that all the facets are symmetrical. Une couronne asymétrique indique une pierre précieuse de mauvaise qualité. Dans tous les cas, une pierre précieuse bien taillée est symétrique et reflète la lumière uniformément sur toute la surface, et le vernis est lisse, sans entailles ni rayures. These are the characteristics that […]
Gemstone Cut Colored gemstones are generally cut to maximize the beauty of their color. To recognize quality in the cut of a gemstone, there are several points to consider. What to Look For A good cut showcases the gemstone’s color, diminishes its inclusions, and exhibits good overall symmetry and proportion. Because gemstone color can vary, […]
Identifying Marks Because gemstones form under unique circumstances, each individual gemstone is comprised of a combination of trace minerals, which create a unique set of identifying marks or inclusions. Inclusions will not necessarily detract from the beauty or desirability of a colored gemstone. What to Look For When considering a colored gemstone’s clarity, you should […]
Tone Tone represents the depth of color, allant de l'incolore au noir. Le ton des pierres précieuses est décrit comme “lumière,” “moyen-léger,” “moyen,” “moyen-foncé,” et “sombre.” Blue Nile propose des pierres précieuses avec les tons les plus recherchés qui se situent dans la gamme moyennement claire à moyennement foncée.. Pour tous nos bijoux en pierres précieuses, you’ll find any tone variations are called out in […]
Gemstone Color The beautiful color of a gemstone is its most defining characteristic, and many jewelers consider it to be the most important evaluation criterion. When deciding upon gemstone color, examine hue, tonifier, and saturation. Hue The most valuable gemstones are those that exhibit a pure color and only “slight” hues of other colors in […]