Barbara Bixby Olive green colored quartz Sterling Silver and 18k Gold Zigzag design in solid 18k yellow gold around the bezel setting. Sterling silver beading around the design. There are lotus flowers that are the Bixby trademark in 18k solid gol as well, one on each side of the gemstone The gemstone is quite large, I would guesstimate it to be about 7 plus carats. Size 11 see pictures.