Generic Cubic Zirconia Heart Pendant Necklace 18" Material: White gold plated + cubic zirconia. Silver chain, nickel free & allergy free. Pendant size: 0.71" height, 0.66" width. 18" box chain with spring ring clasp. Nickel free & resistance against wear & tear. Easy to match clothes, suitable for any occasion. With beautiful jewelry box provided, best gift to your love ones.