The practical history of diamond cuts can be traced back to the Middle Ages, while their theoretical basis was not developed until the turn of the 20th century. Diamond cutters must consider several factors, such as the shape and size of the crystal, when choosing a cut. A diamond cut constitutes a more or less symmetrical arrangement of facets, which together modify the shape and appearance of a diamond crystal. In order to best use a diamond gemstone's material properties, a number of different diamond cuts have been developed.

The cut of a diamond greatly affects a diamond's brilliance - a poorly-cut diamond is less luminous. Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond. Part of a series onĪ diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut. The rose cut is omitted, but it could be considered intermediate between the old single and Mazarin cuts. JSTOR ( May 2023) ( Learn how and when to remove this template message)ĭiagram of old diamond cuts showing their evolution from the most primitive (point cut) to the most advanced pre- Tolkowsky cut (old European).Unsourced material may be challenged and removed.

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