CHURCHILL Private Label Oxidized Silver, 18K Yellow Gold Smoky Quartz and Diamond Bangle Bracelet. Our lovely bangles of oxidized sterling silver, rimmed in 18K yellow gold are set with faceted smoky quartz stones, surrounded by diamonds. Hammered texture makes them great for everyday and dress occasions. Hinged for ease of wear. Each bangle measures 1/2" wide x 2 1/2" in diameter. Two are available...stack them or combine with bracelets in your collection.