Long Diamond Tennis Necklace with Diamond Motifs For Sale at 1stDibs 32" Long Diamond Tennis Riviera Necklace 18.15 Carats Total in 18k Square diamond necklace in adjustable 18k fine tauco chain on Carousell Italian Silver 36" Diamond Cut Rope Chain Necklace, Sterling QVC.com. 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.