"modern round brilliant consists of 58 facets (or 57 if the culet is excluded), ordinarily today cut in two pyramids placed base to base: 33 on the crown (the top half above the middle or girdle of the stone), truncated comparatively near its base by the table, and 25 on the pavilion (the lower half below the girdle ..."
58 facets of diamond - Writing in a fresh perspective, your own unique angle or facet of diamond, cuts a new facet into a diamond, reflecting the lightness of a light source. You may constantly read a lot, collecting different cut facets of a diamond, resolving into your own unique angle of cut - that's creative!
"modern round brilliant consists of 58 facets (or 57 if the culet is excluded), ordinarily today cut in two pyramids placed base to base: 33 on the crown (the top half above the middle or girdle of the stone), truncated comparatively near its base by the table, and 25 on the pavilion (the lower half below the girdle ..." 
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