Art Deco Style Green Amethyst & Diamond 9K Gold Ring Size O. It has a beautiful 9ct gold setting, the Green Amethyst is a wonderful vivid green and the amazing Art Deco setting is set with six illusion set small round cut diamonds which are set in white gold. It contains 2.950 grams of 9ct gold. Size O. It is fully hallmarked the makers mark "DK", the anchor for Birmingham, 375 and the date letter "h". Excellent new condition Comes with the certificate of authenticity.