DIAMOND CUT RECTANGLE ROUNDED CORNERS Diamond cut rectangular shape rounded corners square cut styles combined with the corners have been rounded grinding, almost identical with the pillow (the origin of the name of this diamond type). This classic-cut style has almost 200 years, and in the first century in the age of it, type this cutting was the most popular cut type (similar to today's circular cut type). Until the early 20th century, diamond cut the pillow hug is one of the most popular diamond shape (the shape resembles the type of round cut diamonds as it is today).Diamond cut style traditional bolster the level of lighting is thicker than a modern diamond. Combined with the back open (considered attractions of this cutting patterns when looked at through the cross-section), this creates the distinct appearance of the diamond is today for those who trade in diamonds in the diamond antique shop.A part based on research by Marcel Tolkowsky in the 1920s, the trim phase for the rũa cut diamond pillow hug (as is the narrow back, wide cutting surface, and improve the cutting angle to increase brightness) helped give the diamonds back its popularity. Many buyers have been attracted by the unique sense in combination with the modern appearance of the cut diamond pillow hug.Bolster-style cut diamonds-three edge models To bolster-style, cut diamonds, their patterns of diversity than most other diamond shape, and depending on individual preferences that each person has his own choices. If the round shape diamonds have greater luminosity, the advantages of diamond cut is the Fiery bolster type are usually larger. Bolster-style cut diamonds generally have one of three basic pattern follows (see drawings). The third model has an extra edge and was rated as a type of cut diamonds form a stylized bolsters. This stylized cut models often tend to be similar has "Rock Crusher" or similar, sharp towers with diamond cut rectangular corners rather than bolster the traditional cutting styles.The following tables give general guidance in evaluating diamonds cut the pillow hug.BOLSTER-STYLE CUT DIAMONDS-CUT GUIDEThe ratio of width length type cut diamonds bolsterAs if to bolster type cut diamonds form a square (with length and width ratio is 1.00), they also have the same rectangular format. The most common shape of a diamond shape near the same rectangle is the proportion of the length and the width is 1.10-1.20, however these personal preferences often dominates the person's choice. Each Lumera diamonds usually have the correct size, as well as the ratio of length to width, so you can know the exact shape of the diamond cut his knee hug that you are considering.The evaluation of color pillow cut diamond hugs with subjectivity. Keep in mind that many buyers might actually prefer warm colors of a diamond G-H rather than the cold colors of a Diamond D-F. On the practical costs to bolster type diamond cut to achieve the optimum color rate is dominated by market supply and demand, so if the customer wants to have a diamond with warm colors D-F, will they be willing to pay this fee. In a world without the sort of diamond colors, the colors, the higher the fee, the lower back, because it is difficult for us to be able to feel the real difference in color.The color table below provides a general guide for evaluating the diamonds cut the pillow hug.BOLSTER-STYLE CUT DIAMONDS-COLOR GUIDECũng giống như màu sắc thì việc đánh giá độ tinh khiết của một viên kim cương cắt kiểu gối ôm cũng mang tính chủ quan. GIA đã có những hỗ trợ đáng kể trong việc phân loại độ tinh khiết của kim cương. Tuy nhiên, điều quan trọng cần phải hiểu là mỗi khách hàng sẽ có một tiêu chuẩn riêng trong việc đánh giá độ tinh khiết của kim cương. Một số khách hàng có thể hoàn toàn chấp nhận một vết xước nếu họ không phân biệt một cách rõ ràng về các tiêu chuẩn độ tinh khiết. Một số khác thì nhất định yêu cầu có được những viên kim cương có hình dáng đảm bảo tiêu chuẩn kỹ thuật hoàn hảo nhất. Bảng dưới đây cung cấp chỉ dẫn chung cho việc đánh giá màu sắc của những viên kim cương cắt kiểu gối ôm.
đang được dịch, vui lòng đợi..