WebDiamonds are such a highly traded commodity that multiple organizations have been created for grading and certifying them based on the "four Cs", which are color, cut, clarity, and carat. Other characteristics, such as presence or lack of fluorescence, also affect the desirability and thus the value of a diamond used for jewelry. WebA diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. At room temperature and pressure, another solid form of carbon known as graphite is the chemically stable …

Diamond (gemstone) - Wikipedia

A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut. Cut does not refer to shape (pear, oval), but the symmetry, proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond's brilliance — a poorly-cut diamond is less … See more Ancient India The process of diamond cutting has been known in the Indian subcontinent as early as the sixth century AD. A sixth-century treatise Ratnapariksa, or "Appreciation of Gems", states that … See more The choice of diamond cut is often decided by the original shape of the rough stone, location of internal flaws or inclusions, the … See more Even with modern techniques, the cutting and polishing of a diamond crystal always results in a dramatic loss of weight; rarely is it less than 50%. The round brilliant cut is preferred when … See more In its rough state, a diamond is fairly unremarkable in appearance. Most gem diamonds are recovered from secondary or See more Polish and symmetry are two important aspects of the cut. The polish describes the smoothness of the diamond's facets, and the symmetry … See more Developed c. 1900, the round brilliant is the most popular cut given to diamond. It is usually the best choice in terms of saleability, See more The "Cut" of the "4 Cs" is the most difficult part for a consumer to judge when selecting a good diamond. This is because some certificates do not show the important … See more WebLozenge; diamond shape, 1⁄2 by 1⁄2 by 1⁄8 inch (10 mm × 10 mm × 3 mm) Fermière; cut lengthwise and then sliced to desired thickness 1⁄8 – 1⁄2 inch (3–10 mm) Rondelle; cylindrical vegetables cut to discs of desired thickness 1⁄8 – 1⁄2 inch (3–10 mm) Tourné; 2 inches (50 mm) long with seven faces usually with a bulge in the center portion great escape of central texas

List of culinary knife cuts - Wikipedia

WebLess than 1% of the world's diamonds are cut to hearts and arrows optical symmetry precision. This is in large part due to the greater amount of rough diamond that necessitates additional polishing to create diamonds with this precise optical symmetry. WebThe majority of mined diamonds fall between white and pale yellow or brown; what is known as the normal color range. Diamonds of more intense color (usually yellow, but in some cases red, green or blue) are termed … great escape outlaw