Round- This is by far the most popular diamond shape and also the most optically brilliant, because of its 360-degree symmetry. The 'ideal' round brilliant cut was calculated by gem enthusiast and mathematician Marcel Tolkowsky in 1919, to reflect and scatter the maximum amount of light. The round silhouette works with almost every mounting, from classic solitaires to the most avant-garde designs.
Round diamonds can be set in prongs, in which they are visible from all sides, or into bezel mountings. In general, well cut round diamonds should be set with the least possible amount of metal around the stone, so that it is held securely but can still have light entering it to show off its sparkle and brilliance.
The traditional choice for all occasions and preferred by many for their personal investment portfolio. The depth percentage should range between 58 to 63 percent and the table percentage should range between 55 to 64 percent. The most desired percentages are the 60 percent, and perfectionists will look for depth of 59 through 62 percent and table of 56 through 58 percent.
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