This tennis-style eternity necklace is the perfect hint of classic while firmly rooted in the present. The Vanguard Diamond Riviera Necklace combines the classic tennis silhouette with Jade Trau’s signature Alchemy setting to bring forward a modern feel. Handcrafted in 18-karat gold and featuring 3 emerald-cut and 22 round, brilliant cut diamonds, the Vanguard Riviera Necklace is a show-stopping must-have for any jewelry collection.