Eternity tennis necklace. Worn twice. It's in perfect condition, I find it just too small for me. It will come with its box and the certificate of authenticity. Total carat weight: 5.02 cwt Shape: round Clarity: VS/SI Color: G/H Size 15.5 inches. The Diamond Tennis Necklace (5.02 ct.) is a truly stunning piece of jewelry that features a timeless and elegant design. This necklace is made with high-quality diamonds and is set in 14K gold. The diamonds have a total weight of 5.02 carats and are set in a secure 4-prong setting, which provides additional stability and protection for the diamonds.