Irradiation The alteration of a gemstone's color through the use of radiation. This is often followed by a heating process. The enhanced color of irradiated gemstones is permanent. New And Future Technologies Techniques for enhancing colored gemstones, either detectable or otherwise, are continually being developed. These may be difficult, or in rare cases, impossible to [...]
أرشيف الفئة: أخبار المجوهرات
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. كما, 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, نكون [...]
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. على سبيل المثال, 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, يتكون كل حجر كريم على حدة من مزيج من المعادن النزرة, والتي تنشئ مجموعة فريدة من العلامات التعريفية أو الادراج. لن تؤدي الشوائب بالضرورة إلى الانتقاص من جمال أو جاذبية الحجر الكريم الملون. What to Look For When considering a colored gemstone's clarity, you should [...]
Tone Tone represents the depth of color, تتراوح من عديم اللون إلى الأسود. توصف نغمة الأحجار الكريمة بأنها "ضوء," "متوسطة الضوء," "واسطة," "متوسطة الظلام," و "مظلم." تقدم النيل الأزرق أحجار كريمة بألوان أكثر طلبًا والتي تقع ضمن النطاق المتوسط الفاتح إلى المتوسط الغامق. لجميع مجوهراتنا من الأحجار الكريمة, you'll find any tone variations are called out in [...]
Gemstone Color The beautiful color of a gemstone is its most defining characteristic, ويعتبره العديد من تجار المجوهرات أهم معيار للتقييم. عند اتخاذ قرار بشأن لون الأحجار الكريمة, فحص اللون, نغمة, والتشبع. Hue The most valuable gemstones are those that exhibit a pure color and only "طفيف" 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 [...]