The ornamental design for a jewelryclasp, as shown and described.
FIG. 1 is a front view of a jewelry clasp, showing my design;
FIG. 2 is a rear view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left view thereof;
FIG. 5 is a plan view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective view thereof;
FIG. 8 is a perspective view thereof in an open condition;
FIG. 9 is a right side view in an open condition; and,
FIG. 10 is a view showing the state of use thereof.
The broken lines depicting the two loops and beaded strand in FIG. 10 of the drawings are for illustrative purposes only and form no part of the claimed design.