Vintage Art Deco Enamel Diamond Earrings in Yellow Gold.  These bright and lovely Art Deco dangle earrings contain .19 carats of round cut diamonds amidst a beautiful layout of black and blue enamel. The earrings are set in 14 karat yellow gold which shines through in the blue section and to frame the center as well. These fine earrings make lovely use of colors, mixing the enamels with the bright yellow gold.