Antique Filigree Aquamarine Cocktail Ring in 14k Yellow GoldAntique Filigree Aquamarine Cocktail Ring in 14k Yellow Gold. This gorgeous Art Deco ring features a cushion cut, natural aquamarine weighing 2. 13ct. Resting in intricate filigree details in yellow gold, this early 20th century ring possesses both feminine and masculine qualities. From the bold rounded corners of the cushion cut aquamarine to the strong lines of the setting in 14k yellow gold, this Art Deco era ring represents balance and strength.