Solid Sterling Silver Rhodium Plated Lightweight 8mm, 9mm or 10mm Bead Necklace, 20" This necklace is made of solid rhodium plated sterling silver and stamped "925". This classic necklace looks great alone or with your favorite pendant. Necklace comes in: - 8mm thick / 20 inch long (weight: 21 gram); - 9mm thick / 20 inch long (weight: 32 gram); - 10mm thick / 20 inch long (weight: 35 gram).