Irradiation The alteration of a gemstone’s color through the use of radiation. Dette efterfølges ofte af en opvarmningsproces. Den forbedrede farve af bestrålede ædelstene er permanent. New And Future Technologies Techniques for enhancing colored gemstones, enten påviselig eller på anden måde, udvikles løbende. Disse kan være svære, eller i sjældne tilfælde, impossible to […]
Kategori Arkiver: Smykker nyheder
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. Det er en del af standard polerings- og efterbehandlingsprocessen for mange farvede ædelstene. Som sådan, det er accepteret af smykkeindustrien og 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, er […]
Different Densities The carat weight of a gemstone does not necessarily allow you to accurately envision the size of the gemstone. Forskellige ædelstene har forskellige tætheder (masse pr volumenhed), så to ædelstene, der ser ud til at have samme størrelse, kan faktisk have meget forskellig vægt. For eksempel, a ruby is more dense than a […]
Gemstone Cut Look at the gemstone in the setting and ensure that all the facets are symmetrical. An asymmetrically-cut crown indicates a gemstone of low-quality. In all cases, a well-cut gemstone is symmetrical and reflects light evenly across the surface, and the polish is smooth, without any nicks or scratches. 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, ranging from colorless to black. Gemstone tone is described as “lys,” “medium-light,” “medium,” “medium-dark,” og “dark.” Blue Nile offers gemstones with the most sought-after tones that fall within the medium-light to medium-dark range. For all of our gemstone jewelry, 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, tone, and saturation. Hue The most valuable gemstones are those that exhibit a pure color and only “slight” hues of other colors in […]
Gemstone Education This guide defines the five essential characteristics of gemstone quality. By understanding these characteristics, you’ll be able to shop with confidence. Print this helpful information and take it with you shopping so you can make the best choice on a beautiful piece of gemstone jewelry. Color The jewelry industry recognizes the highest quality […]