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 [...]
Thể loại Lưu trữ: Tin tức trang sức
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. Như vậy, 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, là [...]
Different Densities The carat weight of a gemstone does not necessarily allow you to accurately envision the size of the gemstone. Các loại đá quý khác nhau có mật độ khác nhau (khối lượng trên một đơn vị thể tích), vì vậy hai viên đá quý trông có vẻ giống nhau nhưng thực tế có thể có trọng lượng rất khác nhau. Ví dụ, 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, từ không màu đến đen. Tông màu đá quý được mô tả là "ánh sáng," "ánh sáng trung bình," "trung bình," "vừa tối," Và "tối tăm." Blue Nile cung cấp các loại đá quý có tông màu được săn lùng nhiều nhất nằm trong phạm vi từ sáng vừa đến tối vừa. Đối với tất cả đồ trang sức bằng đá quý của chúng tôi, you'll find any tone variations are called out in [...]
Gemstone Color The beautiful color of a gemstone is its most defining characteristic, và nhiều thợ kim hoàn coi đây là tiêu chí đánh giá quan trọng nhất. Khi quyết định màu đá quý, kiểm tra màu sắc, Giai điệu, và bão hòa. Hue The most valuable gemstones are those that exhibit a pure color and only "nhẹ" 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 [...]