The ornamental design for a curling ironset, as shown and described.
FIG. 1 is a front view of a curling iron set, showing my new design, shown independent of the second component to show aspects of the design not clearly visible when combined;
FIG. 2 is a back view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective view thereof, showing both components of the article in an assembled position of use; and,
FIG. 8 is another perspective view thereof, showing both components of the article in an exploded position of use.
In the drawings, the broken lines illustrate portions of the article which form no part of the claimed design.