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The facet at the base of the point (or pavilion) of the diamond. It is a small surface,
parallel to the table (top surface) of the diamond. Some stones are cut without a
culet, directly to a point, though this exposes the diamond more readily to
damage if knocked. Culets are graded from very small to extremely large – in
general, smaller culets are more desirable, as the larger the culet the more it will
be seen from the top of the diamond, appearing as a dark spot where the light
escapes directly out of the base of the diamond.