Women's Formal Crystal Collar Necklace Set. Elegant Evening Choker Collar Necklace Featuring Dazzling Clear Teardrop Cut Glass Crystal Gemstones Arranged in a Stunning Statement Silhouette with a Silver Metal Chain Neckline and Lobster Clasp Closure. Radiant Sparkle and Refined Glamor. Collar Measures .5 inches wide. Includes Matching Teardrop Crystal Stud Post Backing Earrings Measuring .75 inches.