Women's Crystal Collar Necklace Set Gold Metal Chunky Textured Toggle Chain with Linked Black Cushion Cut Shaped Crystals and Oval Rhinestone Halo Design Jeweled Statement Necklace. Formal Prom Wedding Set. Each oval measures 1.65" x 1.35". Toggle Closure. Includes Matching Drop Crystal Earrings with Post Backing. Earrings measure 1.75" x 1".