I claim the ornamental design for candle with crystals, as shown and described.
FIG. 1 is a top perspective view of a candle with crystals showing my new design.
FIG. 2 is a front view elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines in the drawings showing the candle with crystals illustrate the portions of the candle with crystals that form no part of the claimed design.