Deco 14K white gold filigree black opal ring. Our 14K white gold filigree ring is an estate find that exhibits age appropriate wear. It will adorn a size 7 finger. It's filigree work is so beautiful with open work and tiny flowers. The intricate gold mount is set with a stunning 1.20 ct black opal. It is a wonderful deep blue color. It would make an amazing and unusual alternative engagement ring.