Cameo carved from single bulls eye agate stone set in 14k gold ring. Size 7. j-Rgvn180 Brass & Metal Pendants Niello is a black compound

Niello is a black compound of silver sulfur and other metals used like enamel

The original C clasp has been replaced with a sliding safety clasp

Milgrain detail is used to give additional texture to the design

Two high luster small pearls are tube set on either side of a cabochon of bright blue Persian turquoise

The back of the pin has a C clasp

Cameo carved from single bulls eye agate stone set in 14k gold ring. Size 7. j-Rgvn180 Brass & Metal Pendants Niello is a black compoundCarved bulls eye agate cameo cocktail ring. This cameo was cut from a single bulls eye agate quartz. Although there are two different colors of white and black, it was carved from one piece of stone creating a relief with a beveled pedestal. The stone is mounted into a mid 20th century 14k yellow gold bezel setting with fancy fleur de lis prongs and a twisted cable border. 1960s setting for an Antique agate cameo. Top of the ring measures 1 5 16 x 1 1