Black Opal Pendant Seed Bead Multi-Strand Necklace $42.00 SOLD! Beautiful Black Opal pendant is nicely complimented by five strands of smokey grey and pearlescent white seed beads with sterling silver findings. Pendant measures approximately 2 1/2" in length and 1 1/2" wide.  Necklace measures 20" from lobster clasp to catch.