Vintage American Art Deco filigree diamond engagement ring, circa 1935. This Art Deco engagement ring is crafted in 14 karat white gold featuring a filigree design. The center .44 carat diamond is an old European cut with VS1 clarity and G color. There are also 8 round brilliant accent diamonds at .08 carat total weight. This Art Deco diamond ring is a size 6.75.