Or & Elle High Jewelry. This diamond tennis necklace features round brilliants in a four prong solitaire setting. Diamonds wrap the entire length of this 16-inch (40cm) necklace in 18K White Gold. Shape, color, size, length, and setting of the diamonds are fully customizable. Connect with our Atelier's design experts to make yours to order. 15tcw necklace is shown in photos.