Women's Formal Crystal Collar Necklace Set. Perfect for Weddings, Proms, Galas, and Formal Events. Elegant Aurora Borealis Glass Teardrop Crystal Gemstone Collar Set in Silver Metal with a Graduating Design and Clear Rhinestone Halo Detailing. Features Round Glass Crystals and Smaller Teardrop Crystal Spacers. Gold Metal Lobster Clasp Closure. Collar Measures 1.65 inches Wide. Includes Matching Stud Teardrop Earrings Measuring 1.45 x 1 inches.