Engraved Vintage Filigree Old Euro Diamond Ring Art Deco.  This Art Deco diamond solitaire is set with a .42 carat old European cut center diamond in 18 karat white gold. The center diamond is set with four (4) split-prong filigree head.  The mounting features a scrolling repousse design and offers an interesting texture.  This elegant solitaire has multiple desirable elements of antique designs. The ring is hallmarked 18K indicating that it is 18 karat white gold.