Sterling Silver with Cubic Zirconia Eternity Circle Link Tennis Necklace. This stunning tennis chain necklace features a sparkling display of round brilliant cut cubic zirconias secured in classic four prong round basket links, from end to end, creating a gorgeous row of fire and prestige. A hidden box clasp and two figure-eight safeties keep this White Gold Plated sterling silver secure, perfect for wearing frequently and gifting to any loved one.