Vintage Deco Madeira Citrine Filigree Ring in White Gold.  This antique Art Deco cocktail ring features a fantastic example of the coveted Madeira Citrine at 9.73 carats and finished in 18 karat white gold. Featuring amazing filigree detail in the metal holding the gorgeous citrine, this special ring has an amazing color. The stone being radiant cut also enhances the gorgeous reddish-brown color.