The Lovery Large Turquoise Cz Halo Butterfly Necklace is crafted in 14K Gold-Plated Sterling Silver and features 1 turquoise butterfly accented with round cubic zirconia. The butterfly measures approximately 20 millimeters - 0.79 inch. The necklace is adjustable to 15.5, 16.5, and 17.5 inches and secures with a lobster clasp.