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Diamonds are cut using blades, lasers or other diamonds with techniques that include cleaving, sawing and bruting. During the cutting process, a diamond can lose up to 50 percent of its original weight.


The most common diamond cuts, as of 2014, include round, emerald, princess and radiant. A diamond’s cut is normally determined by the size and shape of the original, rough stone.


Mine-cut diamonds are typically square or slightly oval and have a deeper crown and pavilion, or top and bottom, than modern stones. "Mine cut" does not refer to the place the diamond was faceted, but rather to its overall shape and brilliance.


Heart-cut diamonds are the most expensive style due to the cost and expertise required to manufacture diamonds in this shape. The process of cutting a diamond into a heart shape is difficult and demands a skilled diamond cutter. A heart-shaped diamond is usually larger ...


A rose cut diamond has a flat base and 24 triangular facets that rise to a point, and was the most brilliant diamond cut available in the 1800s. It is shaped like a pyramid when viewed sideways. This style of gemstone cutting was perfected by the Dutch in the 17th centu...


An old mine diamond cut is one in which the diamond is fashioned into a square type girdle with slightly rounded corners. They have a high crown, large and flat cutlet and a small table. This type of diamond cut was first made during the 1700s.


Diamond cutting blades are grinding wheels with bonded diamond particles that make cuts by scratching out material. Many types of diamond blades are available, most of which are designed for wet cutting. Water prevents overheating, reduces the dust generated, removes re...