Phillip Gavriel's best-selling Popcorn Collection features rich textures and eye-catching fine jewelry designs. This beautiful open cuff bangle, featuring 18K gold and .12 ct diamonds surrounding colorful natural blue topaz, is the perfect stacking tool. Metal: Sterling Silver & 18K Yellow Gold. Gemstones: Blue Topaz. Closure: Open Cuff. This cuff bangle comfortably fits most wrist sizes between 7 and 8 inches.