Art Deco Filigree Brooch w/ Aquamarines Diamonds.  This incredible filigree brooch from the Art Deco period is set in 14 karat white gold with .16 carats of diamonds and 1.78 carats of aquamarine. The intricate scrolling filigree work creates a fabulous border around the rectangular negative space in the center. This is a perfect pendant to incorporate the fabric of your outfit into the design of the jewelry itself.