The shape of diamonds can be divided into two categories: round and irregular. We usually contact more round drills. In terminology, non-circular diamonds are called irregular diamonds, or irregular diamonds for short. Let's talk about diamonds of various shapes in detail. 1, the round cut diamond shape is the most popular and studied diamond shape so far, because the round cut diamond shape can best reflect the optical effect of the best diamond, and diamond cutting craftsmen have been using the most advanced optical behavior theory and accurate mathematical calculation to optimize the brilliance and brightness in the round diamond. 2. Princess's cutting diamonds into squares is rapidly becoming one of the most popular cutting methods in engagement rings. Princess square drill is generally square, with a radial crown and a peak at the bottom. It is cut into bright shapes and has sharp uncut sharp corners. Princess square diamonds usually have 76 facets, which makes square diamonds brighter than round and bright diamonds. 3. Emerald diamond is a kind of chamfered polygon cut, which is stepped and can be square, rectangular, triangular, diamond and so on. This kind of cut diamond is easy to see the internal inclusions, so it requires higher clarity. 4. radiant, a unique diamond, almost the same as emerald cutting. Except for its square appearance, its right-angled facet is the same as the emerald cut. 5. Cushion cutter has 58 cutting surfaces. Comparatively speaking, its mesa is smaller, other sections are larger, the diamond waist is thinner, the whole diamond is flat, and the bottom tip is machined into small sections. Cushion diamonds are also the first choice among special-shaped diamonds, which will make your wedding ring unique. 6. oval) 7. Pear-shaped/water-drop-shaped was once a very popular cut-off shape. The aspect ratio should be1.5:1-1.75:1,and the shoulder should not be too high. Traditional structure based on round brilliant diamond cutting. Compared with other shapes of diamonds, the length-width ratio of water-drop diamonds depends more on personal preferences. Because water-drop diamonds can be used in engagement rings, necklace pendants, earrings and an indispensable part of traditional design. 8. Marquise, also known as Horse Eye Diamond, is known as the queen of cutting modeling. Olive diamonds processed according to the ideal proportion have better temperature than other cut diamonds. Because there are few special-shaped diamonds on the market, the selectivity of olive diamonds is not as high as that of round diamonds. For clarity and color, please refer to the round drill. Cutting mainly considers the requirement of height-width ratio. The aspect ratio is generally1.75:1-2.25:1,and the overall depth ratio is about 60%. Shoulders should not be too high and waistline should not be too sharp. As can be seen from the table, the waist line is round, with good symmetry on both sides. 9. The style of heart-shaped diamonds comes from ancient India. The standard heart-shaped diamond has 63 faces, and the normal aspect ratio is 1: 1. When viewed from the top, the aspect ratio can determine the shape of the diamond and the overall external effect of the diamond. From the table, the shoulders should be round and should not have sharp corners. Heart-shaped can best represent love. Heart-shaped jewelry stands out among many jewelry choices because of its unique shape.