Bvlgari SERPENTI series new black onyx snake head half diamond open large ring the highest version on the market! ! The workmanship can be seen in the picture. You are welcome to compare. Exclusively imported s sterling silver material, electroplated with thick gold. Made of imported spring silver. No deformation, no fading, no allergies. Opening does not pick up the hand. Adjustable. Opening rose gold. Sterling silver ring.