This necklace is 31 carats total and the length of the strand of opals is 16.5” with total length of 20.5” including chain and magnetic clasp . The opals are graduated sizes from 3 mm to 5mm. Ethiopian opal encourages both freedom and independence. It may help release anger and improve self worth, aiding in expressing one’s true self. Ethiopian opal is a highly protective stone and can be programmed by the beholder with intentions to ward off negative energies.