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The ornamental design for a diamond, as shown and described. |
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FIG. 1 is a top plan view of a diamond showing my new design;
FIG. 2 is a side elevational view of the diamond of FIG. 1, the other sides being the same;
FIG. 3 is a bottom plan view of the diamond of FIG. 1;
FIG. 4 is a top plan view of a diamond showing a modified form of my new design;
FIG. 5 is a side elevational view of the diamond of FIG. 4; and
FIG. 6 is a bottom plan view of the diamond of FIG. 4.
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