Drawing on mid-century modern aesthetics, our Monterey Pendant Necklace is underscored by its knocker-shaped pendant with a can't-miss Iridescent Turquoise gemstone. Material: DD Signature Brushed Gold Plated Over High-Quality Brass. Gemstone: Iridescent Turquoise (Man-Made) This light-catching blue gemstone is handcrafted as a doublet, a technique that lends extra radiance through a man-made Turquoise backing beneath a Crystal Quartz. Stone Size: 8mm Length: 14" - 19" (Adjustable)