CHRISTIAN DIOR Sensuous Starlet Choker Necklace with Rhinestones and Enamel has a gas pipe snake chain. It is 16 inches wearable, with a removable 1 inch extender. The front detail is a delicate pave rhinestone crescent intertwined with a black enamel crescent and measures 1 1/8 by 3/4 inch. A lovely and elegant piece of jewelry from a master design house. Signed on the back of the clasp.