Design Our 5.25 Carat Tennis Necklace is an everyday classic. Features the same size diamonds all the way around, set in a 4-prong setting. Details & Dimensions - 5.25 carats - 16" total length - Diamonds set in a 4-prong mounting - Includes a safety tongue and safety lock for double security - Custom lengths and sizes available upon request. Email concierge@carbonandhyde.com.