Necklace

FIG. 1 is a front view of a necklace of my new design; FIG. 2 is a rear view thereof; FIG. 3 is a left side perspective view thereof; FIG. 4 is a right side perspective view thereof; FIG. 5 is a top perspective view thereof; FIG. 6 is a bottom perspective view thereof; FIG. 7 is a front right perspective view thereof; FIG. 8 is a rear left perspective view thereof; FIG. 9 is an enlarged front view of a lower portion of the necklace shown in FIG. 1 ; FIG. 10 is an enlarged front view of an upper portion of the necklace shown in FIG. 1 ; and, FIG. 11 is an enlarged front right perspective view of a lower portion of the necklace shown in FIG. 7 . The dot-dash broken lines represent the designation of enlargement views and form no part of the claimed design.