Shop › Peruvian Opal Bead Necklace Image 1 of 7 Image 2 of 7 Image 3 of 7 Image 4 of 7 Image 5 of 7 Image 6 of 7 Image 7 of 7 Peruvian Opal Bead Necklace £385.00 Peruvian opal beads strung on silk with a solid 9ct gold wire clasp.This necklace is 15 inches long. Add To Cart Added! Peruvian opal beads strung on silk with a solid 9ct gold wire clasp.This necklace is 15 inches long.