The setting is Gold Filled. The gold filled base is Gold Filled and completely made by hand. The back of the bracelet has a hand made clasp for locking. This bracelet has a size and is made for a 7" wrist. The main stone type is a black onyx. The accents beads are black onyx and small gold filled beads. The overall face width at the larges center stone is approx. 7/8". The band width at the side is approx. 8mm. The is considered a large bracelet. This piece is labeled with the Roycroft Renaissance Mark.