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 展开

Polish and symmetry are two important aspects of the cut. The polish describes the smoothness of the diamond's facets, and the symmetry refers to alignment of the facets. With poor … 展开

The choice of diamond cut is often decided by the original shape of the rough stone, location of internal flaws or inclusions, the preservation of carat weight, and popularity of … 展开

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 the … 展开

In its rough state, a diamond is fairly unremarkable in appearance. Most gem diamonds are recovered from secondary or alluvial deposits, … 展开

Developed c. 1900, the round brilliant is the most popular cut given to diamond. It is usually the best choice in terms of saleability, 展开

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 measurements influencing cut (such as the pavilion angle and crown angle) and do not … 展开