This estate jewelry ring features a single diamond centered in a rectangular translucent chrysoprase gemstone framed by an etched design in white gold. The beautiful filigree on this ring is an intricate floral design in 14kt yellow gold. Chrysoprase, like agate, is a member of the chalcedony gemstone family. Chrysoprase resembles jade and is often confused with jade. This diamond measures appx 0.04 ct tw and the chalcedony appx H8.1mm x W6.6mm x D2.9mm. This ring is H5/8" x W1/2". This estate ring is circa 1920s.