Thread two needles with a 3-foot length of beading thread, folding to have needles at each end.
Start with a diagonal stitch, adding one crystal to drop to the thread's middle, then adding crystals on each side and crossing threads through the next crystal.
Form the heart's right side using right angle weave, adding four crystals, and then connecting them in a loop to shape the heart's upper bump.
Repeat the process for the left side of the heart.
Create a second identical heart piece for the double layer.
Join the two heart layers by sewing seed beads between them at the heart's edges, ensuring the pendant is secured and aesthetically pleasing.