Chunk / Chunkie Adjustable Ring - R111 - Interchangeable Snap Charm (20mm) - Faceted Glass ~ Smoky Quartz (Brown Gray) Beautiful button chunk charm snaps into master ring base or bracelets Adjustable size ring; super sparkly! Charm is 20mm (approx 3/4") in diameter Charm is made of faceted glass.. Collect charms and change your ring design easily