Style/Date: Edwardian Materials: 14K yellow gold, Diamond, opal doublets Description:  Edwardian 14K yellow gold knife edge swirl design brooch/pendant, with center diamond and surrounding opal doublets. The diamond is an Old European Cut, 3/4ct approx., H-I color and I1 clarity. There is a hinged bail on the top that can be hidden on the reverse to become a brooch. The pin mechanism has been modernized.