Women's Formal Collar Necklace Set. Gold Metal with Glittering Oval Aurora Borealis Crystals Pointed Collar Necklace Featuring Light Catching Brilliant Round Rhinestone Cluster Detailing and Graduated Design. Collar Center Point Measures 2 inches Long. Gold Metal Chain Neckline and Lobster Clasp Closure. Includes Matching Crystal Rhinestone Drop Post Backing Earrings. 1.75 inches x .55 inches.