Very nice quality mystic quartz. The photos don't show all the rainbow colors of pink, purple and green. Colors change with lighting and movement. The french earwires are 14k solid gold or 14k gold filled or sterling silver - you choose. The gemstone size is 13mm, over 10 carats. Earrings hang 1.1 inch. The mannequin shows the relative size and how they will hang. Shipping is Free!