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28 DIAMOND CUTTING
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out that such makeshifts destroy their own ends.
"To
the expert jeweler and diamond dealer, no further explanation is
necessary to make him realize the advantages and superiority of the
patented Polished Girdle diamond.
"The
person more likely to be in need of guidance and information is the
purchaser not thoroughly conversant with the art, and who, wishing to
ascertain points of recognition, relies upon his confidence in the
knowledge of experienced jewelers."
A
properly cut diamond should have fifty-eight facets if regularly cut,
and fifty-nine if cut as a patented polished girdle. One third of its
size should be above the girdle and two thirds below, and the table
should be two fifths the diameter of the stone. These are the correct
proportions to secure the greatest brilliancy. A stone cut too deep (that is, too thick) lacks brilliancy, and one too shallow becomes flat in its effect and in the trade is termed a Fish-eye. In
the cutting of the finest diamonds much consideration is now given to
the girdle, while on the other hand many ordinary stones are cut with
thick, rough girdles, which results in more weight being left in the
stone and less expense to manufacture per carat, consequently a lower
price to the
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