Each earring features one 6x4mm oval cut natural Black Onyx gemstone. These earrings have been made using traditional methods - they are not mass produced and the gemstones have been expertly hand set. Made in our Birmingham workshop, the settings are solid 9ct white gold, as are the posts and scroll backs. Stamped 375 on the post. Dimensions 6mm x 4mm. Made in England. Supplied in a luxury gift box - Great gift!!