32" Long Diamond Tennis Riviera Necklace 18.15 Carats Total in 18k Luxury Marathon Jewelry for Runners & Athletes TwentySixDiamond Italian Silver 36" Diamond Cut Rope Chain Necklace, Sterling QVC.com Diamond Chain Necklace Newport. The Kwiat Diamond Strings Quads Necklace is a beautifully fluid, opera length piece designed for versatility and effortless shine. Crafted in 18kt white gold, it features a rhythmic pattern of diamond clusters paired with single stones, creating a soft, continuous brilliance. Its lightweight construction allows it to be worn long, doubled, or layered, making it an easy addition to both everyday and more elevated looks. Details: 18kt white gold 1. 38ct Opera length, 36 inches Alternating quad diamond clusters and single stones Lightweight, fluid construction Designed for multiple styling options How to style: Wear it long for a sleek, minimal look, double it for a layered effect, or mix with other chains to create a more dimensional, curated stack.