Art Deco Filigree Cocktail Ring w/ Marquis Aquamarine 14kArt Deco Filigree Cocktail Ring w Marquis Aquamarine 14k. This filigree cocktail ring comes from the Art Deco period and features two (2) . 80 carat marquise cut aquamarines set in 14 karat white gold. A gorgeous example of the fine filigree work on display in the 1920s. The aquamarines in this mounting are partially covered in the center making them almost look like pear shaped stones, but they are actually marquise cuts with a much thicker width