JOTW Goldtone with Light Blue Ice Cream and Cone Pendant with an 18.5 Inch Adjustable Necklace with Matching Stud Earrings Jewelry Set (B-2224) This adjustable 10 mm cuban chain necklace measures 18.5 to 21 inches. This large pendant measures 2 inches from left to right and 3.5 inches from top to bottom. Great Quality Jewelry!