James Avery Sterling Silver Megaphone Charm Ring 3.3g Sz 6.75 Great ConditionJames Avery Sterling Silver Megaphone Charm Ring 3.3g Sz 6.75 Great Condition. A great condition James Avery sterling silver megaphone charm ring. Highly polished and looks fantastic. The band measures 2.3mm wide. The megaphone measures 9.8 x 7.2mm hangs approximately 14mm off the.