Vintage Marquise Cut Aquamarine Filigree Ring Estate Art Deco Antique Wedding 1920. A Stunning Vintage Aquamarine Ring, Estate Art Deco Style in 14K White Gold Filigree Setting, A Perfect Wedding Ring Idea. This beautiful classic vintage ring holds a lovely clean and bright faceted aquamarine gemstone at its center measuring about 7 x 14mm. The aquamarine has the most gorgeous sparkle and coloration. The stone is set in a beautifully made 14K white gold mounting with beautiful Art Deco period details and fine filigree openwork. Overall the ring measures about 11/16 inch long by about 5/8 inch wide from side to side. The ring has classic Art Deco design and is a timeless piece of estate jewelry. Ring Size: about 3 1/2 (could be resized by your jeweler or ask me about using mine before shipping). This would make a wonderful wedding ring idea.