Edwardian Navette Cluster Diamond RingNavette Cluster Diamond Ring. Dramatic elongated design with five larger European cut diamonds set with two smaller diamonds in between each diamond and one at the terminal. The largest European cut diamond weighs approximately 0. 90 carats. 0. 74 carats of additional European cut diamonds make up the design. The accent diamonds total approximately 0. 35 carats. All diamonds are set in silver topped gold with a gold shank. Size 4. 75. Sizable.