JIA JIA's necklace is hand-strung with iridescent pink opals, whose color changes just so depending on how the light hits it. The 14-karat gold chain can be adjusted, allowing you to customize the drop. Gold Opal Necklace, Tanzanite Necklace, Citrine Necklace, Exclusive Dress, Raffia Bag, Fine Jewelry Designers, Pink Opal, Opal Necklace, Quartz Necklace