Women's Collar Necklace Set. Torque Style Gold Metal Omega Chain Collar Choker Necklace Featuring Ombre Green and Black Pave Rhinestone Crystal Crusted Detailing. Rhinestones attached via Sticker Sheeting to Create Seamless Design. Necklace measures .8" wide. Lobster Clasp Closure. Includes Matching Rhinestone Post Backing Stud Earrings.