Metal: Stainless Steel & Waterproof Alloys Finish Options: Gold plated or Silver plated Chain Length: 16 inches with a 4-inch extender (maximum length 20 inches) Closure: Lobster clasp Diamond Weight: 0.08 carats Overall Circle Length: 77.20 mm Big Circle Diameter: 4.30 mm Small Circle Diameter: 2.84 mm Circle Height: 4.32 mm Thickness: 2.44 mm