This lisng is for a set of diamond and Amethyst earrings. This set matches a necklace pendant that we currently have listed. The earrings are 13mm x 7mm. you wll need to supply your own back for these. Retail for these earrings would be at least $320. Also this is an piece of estate jewelry from one our high end clients here in Naples. Most of jewelry produced now is made in china or the far east, while this is produced to with the up most quality.